refactor: Cleanup junk code created by GOB

[kanru]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 45.45455% with 324 lines in your changes missing coverage. Please review.

Project coverage is 54.37%. Comparing base (0ed8594) to head (468abbb).

Files	Patch %	Lines
src/ibus-chewing-engine.c	45.49%	272 Missing ⚠️
src/IBusChewingPreEdit.c	40.24%	49 Missing ⚠️
src/main.c	0.00%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #214      +/-   ##
==========================================
- Coverage   60.05%   54.37%   -5.68%     
==========================================
  Files          24       17       -7     
  Lines        2774     2067     -707     
==========================================
- Hits         1666     1124     -542     
+ Misses       1108      943     -165     

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