Remove rexml from dependencies

[TonyCTHsu]

What does this PR do?

Remove rexml, no longer required after lockfiles are up-to-date.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 97.78%. Comparing base (672f309) to head (77fffc4).
Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #4131   +/-   ##
=======================================
  Coverage   97.77%   97.78%           
=======================================
  Files        1350     1350           
  Lines       81278    81277    -1     
  Branches     4108     4108           
=======================================
+ Hits        79471    79478    +7     
+ Misses       1807     1799    -8     

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[pr-commenter]

Benchmarks

Benchmark execution time: 2024-11-18 22:12:01

Comparing candidate commit 77fffc4 in PR branch tonycthsu/remove-rexml with baseline commit 672f309 in branch master.

Found 3 performance improvements and 0 performance regressions! Performance is the same for 28 metrics, 2 unstable metrics.

scenario:line instrumentation - targeted

• 🟩 throughput [+17723.061op/s; +18386.662op/s] or [+9.216%; +9.561%]

scenario:method instrumentation

• 🟩 throughput [+20246.094op/s; +21274.993op/s] or [+9.670%; +10.162%]

scenario:tracing - Propagation - Datadog

• 🟩 throughput [+2304.822op/s; +2404.250op/s] or [+7.612%; +7.940%]