[clang-tidy] remove duplicate fixes of alias checkers

when both a check and its alias are enabled, we should only take the fixes of one of them and not both.
This patch fixes bug 45577
https://bugs.llvm.org/show_bug.cgi?id=45577

Reviewed By: aaron.ballman, njames93

Differential Revision: https://reviews.llvm.org/D80753