[clang] [llvm] [analyzer] Delete `alpha.security.MallocOverflow` (PR #103059)

[Artem Dergachev via cfe-commits]

================
@@ -1,40 +0,0 @@
-// RUN: %clang_analyze_cc1 -triple x86_64-unknown-unknown -analyzer-checker=alpha.security.MallocOverflow,unix -verify %s
-// RUN: %clang_analyze_cc1 -triple x86_64-unknown-unknown -analyzer-checker=alpha.security.MallocOverflow,unix,optin.portability -DPORTABILITY -verify %s
----------------
haoNoQ wrote:

This test was enabling a few other checkers (including a few path-sensitive checkers), so it could have acted as a "true negatives" test for those checkers, so I think it may be slightly useful if we preserve it. Quite unlikely though.

https://github.com/llvm/llvm-project/pull/103059