Update go/ql/src/experimental/CWE-525/WebCacheDeception.ql

Co-authored-by: Owen Mansel-Chan <[email protected]>

Author: aydinnyunus

go/ql/src/experimental/CWE-525/WebCacheDeception.ql

@@ -17,7 +17,6 @@ from
   DeclaredFunction f
 where
   httpHandleFuncCall.getTarget().hasQualifiedName("net/http", "HandleFunc") and
-  httpHandleFuncCall.getArgument(0).getType().getUnderlyingType() instanceof StringType and
   httpHandleFuncCall.getArgument(0).getStringValue().matches("%/") and
   httpHandleFuncCall.getArgument(1) = rn and
   rn.reads(f) and