[clang] [analyzer] Implement LifetimeModeling checker and refactor UseAfterLifetimeEnd (PR #205951)

[Gábor Horváth via cfe-commits]

================
@@ -168,52 +168,3 @@ int *g() {
   return nullptr; // no-warning
 }
 
-int &multi_param_test_ref(int &a [[clang::lifetimebound]], int &b [[clang::lifetimebound]]);
----------------
Xazax-hun wrote:

Why are these tests removed?

https://github.com/llvm/llvm-project/pull/205951