[clang] [clang-tools-extra] [analyzer] Remove alpha.core.IdenticalExpr Checker (PR #114715)

[via cfe-commits]

================
@@ -814,6 +814,12 @@ Improvements
 Moved checkers
 ^^^^^^^^^^^^^^
 
+- The checker ``alpha.core.IdenticalExpr`` was removed because it was
+  duplicated in the clang-tidy checkers ``misc-redundant-expression`` and
----------------
EugeneZelenko wrote:

```suggestion
  duplicated in the Clang-Tidy checks ``misc-redundant-expression`` and
```

https://github.com/llvm/llvm-project/pull/114715