chore: remove deprecated Parquet APIs past the API health policy

[WaterWhisperer]

Which issue does this PR close?

• Closes Remove deprecated Parquet metadata / statistics APIs that are past the API health policy #24540

Rationale for this change

The deprecated Parquet APIs have passed the API health policy.

What changes are included in this PR?

• Remove the deprecated fetch_parquet_metadata, fetch_statistics, and statistics_from_parquet_meta_calc functions.
• Remove the deprecated ParquetSource::predicate method.
• Remove the associated unused imports and test.

What is the testing strategy for this PR?

No new tests are added because this only removes deprecated apis.

Tested by:

./dev/rust_lint.sh

Are there any user-facing changes?

Yes. It's a breaking Rust API change because public deprecated APIs are removed.

[github-actions]

Thank you for opening this pull request!

Reviewer note: cargo-semver-checks reported the current version number is not SemVer-compatible with the changes in this pull request (compared against the base branch).

Details

     Cloning apache/main
    Building datafusion-datasource-parquet v55.0.0 (current)
       Built [  59.253s] (current)
     Parsing datafusion-datasource-parquet v55.0.0 (current)
      Parsed [   0.039s] (current)
    Building datafusion-datasource-parquet v55.0.0 (baseline)
       Built [  51.279s] (baseline)
     Parsing datafusion-datasource-parquet v55.0.0 (baseline)
      Parsed [   0.037s] (baseline)
    Checking datafusion-datasource-parquet v55.0.0 -> v55.0.0 (no change; assume patch)
     Checked [   0.235s] 223 checks: 221 pass, 2 fail, 0 warn, 31 skip

--- failure function_missing: pub fn removed or renamed ---

Description:
A publicly-visible function cannot be imported by its prior path. A `pub use` may have been removed, or the function itself may have been renamed or removed entirely.
        ref: https://doc.rust-lang.org/cargo/reference/semver.html#item-remove
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.50.0/src/lints/function_missing.ron

Failed in:
  function datafusion_datasource_parquet::file_format::fetch_parquet_metadata, previously in file /home/runner/work/datafusion/datafusion/target/semver-checks/git-apache_main/9aa108929b2879c28f04d56b5bbe8b37c52f4a4a/datafusion/datasource-parquet/src/file_format.rs:652
  function datafusion_datasource_parquet::fetch_parquet_metadata, previously in file /home/runner/work/datafusion/datafusion/target/semver-checks/git-apache_main/9aa108929b2879c28f04d56b5bbe8b37c52f4a4a/datafusion/datasource-parquet/src/file_format.rs:652
  function datafusion_datasource_parquet::file_format::fetch_statistics, previously in file /home/runner/work/datafusion/datafusion/target/semver-checks/git-apache_main/9aa108929b2879c28f04d56b5bbe8b37c52f4a4a/datafusion/datasource-parquet/src/file_format.rs:675
  function datafusion_datasource_parquet::fetch_statistics, previously in file /home/runner/work/datafusion/datafusion/target/semver-checks/git-apache_main/9aa108929b2879c28f04d56b5bbe8b37c52f4a4a/datafusion/datasource-parquet/src/file_format.rs:675
  function datafusion_datasource_parquet::file_format::statistics_from_parquet_meta_calc, previously in file /home/runner/work/datafusion/datafusion/target/semver-checks/git-apache_main/9aa108929b2879c28f04d56b5bbe8b37c52f4a4a/datafusion/datasource-parquet/src/file_format.rs:697
  function datafusion_datasource_parquet::statistics_from_parquet_meta_calc, previously in file /home/runner/work/datafusion/datafusion/target/semver-checks/git-apache_main/9aa108929b2879c28f04d56b5bbe8b37c52f4a4a/datafusion/datasource-parquet/src/file_format.rs:697

--- failure inherent_method_missing: pub method removed or renamed ---

Description:
A publicly-visible method or associated fn is no longer available under its prior name. It may have been renamed or removed entirely.
        ref: https://doc.rust-lang.org/cargo/reference/semver.html#item-remove
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.50.0/src/lints/inherent_method_missing.ron

Failed in:
  ParquetSource::predicate, previously in file /home/runner/work/datafusion/datafusion/target/semver-checks/git-apache_main/9aa108929b2879c28f04d56b5bbe8b37c52f4a4a/datafusion/datasource-parquet/src/source.rs:399

     Summary semver requires new major version: 2 major and 0 minor checks failed
    Finished [ 112.386s] datafusion-datasource-parquet

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 81.94%. Comparing base (224cc56) to head (5151e08).
⚠️ Report is 6 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #25202      +/-   ##
==========================================
+ Coverage   81.91%   81.94%   +0.02%     
==========================================
  Files        1132     1133       +1     
  Lines      421314   423483    +2169     
  Branches   421314   423483    +2169     
==========================================
+ Hits       345135   347012    +1877     
- Misses      55771    55880     +109     
- Partials    20408    20591     +183     

☔ View full report in Codecov by Harness.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.

[nuno-faria]

Thanks @WaterWhisperer.