feat(semantic)!: do not need to return old name in `Scoping::set_symbol_name`

[Dunqing]

The only usage that needs the old name has been refactored in #10612. Remove the returning old name logic, then the implementation is simpler.

[Dunqing]

• #10613 👈 (View in Graphite)
• #10612
• #10611
• #10610
• #10562 : 1 other dependent PR (#9881 )
• #10564
• main

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[codspeed-hq[bot]]

CodSpeed Instrumentation Performance Report

Merging #10613 will not alter performance

_{Comparing 04-25-feat_semantic_do_not_need_to_return_old_name_in_set_symbol_name (624d3f1) with main (075d4b5)}

Summary

✅ 36 untouched benchmarks

[Boshen]

Merge activity

• Apr 26, 11:07 PM EDT: The merge label '0-merge' was detected. This PR will be added to the Graphite merge queue once it meets the requirements.
• Apr 26, 11:38 PM EDT: Boshen added this pull request to the Graphite merge queue.
• Apr 27, 3:50 AM UTC: The Graphite merge queue removed this pull request due to downstack failures on PR #10610.