feat: delete all requests using raw_delete to avoid memory issues

[moonsikpark]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 87.24%. Comparing base (1cb4623) to head (8fbb4e9).
Report is 49 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #770      +/-   ##
==========================================
+ Coverage   86.76%   87.24%   +0.48%     
==========================================
  Files          52       52              
  Lines        2115     2141      +26     
==========================================
+ Hits         1835     1868      +33     
+ Misses        280      273       -7     

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[albertyw]

Is this safe from side effects? According to documentation, _raw_delete doesn't support signals and has no protection for cascades. Django-silk doesn't utilize signals (users of django-silk might, though unlikely) but there are many objects that do use cascade (Response, SQLQuery, and BaseProfile).