[clang] [clang][analyzer] Remove checker 'alpha.core.CastSize' (PR #156350)

[Balázs Kéri via cfe-commits]

balazske wrote:

According to https://discourse.llvm.org/t/remove-alpha-core-castsize/87974 this checker looks to be rarely used. In the current form it can have more false positives (I tested it on some C projects) than useful results. Additionally, the same problem could be found with other more reasonable checkers.

https://github.com/llvm/llvm-project/pull/156350