Remove skip_jarjar_repackage

skip_jarjar_repackage was used as a temporary solution
to system ui build time increase. Now the problem should
be resolved by moving jarjar actions before combine action
in java compile.

Test: CI
Bug: 328067025
Flag: NONE
Merged-In: I01136f7d00e13f258212885a52b11c1de34fd87a
Change-Id: I8c6c5b5834f842eaa29aafed431146967f1aa167