Merge pull request #14650 from jketema/invalid-experimental

C++: Drop `experimental` tag from `cpp/invalid-pointer-deref`

Author: MathiasVP

cpp/ql/src/Security/CWE/CWE-193/InvalidPointerDeref.ql

@@ -8,7 +8,6 @@
  * @id cpp/invalid-pointer-deref
  * @tags reliability
  *       security
- *       experimental
  *       external/cwe/cwe-119
  *       external/cwe/cwe-125
  *       external/cwe/cwe-193