remove a dead warning.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@79641 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/clang/Basic/DiagnosticSemaKinds.td b/include/clang/Basic/DiagnosticSemaKinds.td
index 2fe3d7d..20862c3 100644
--- a/include/clang/Basic/DiagnosticSemaKinds.td
+++ b/include/clang/Basic/DiagnosticSemaKinds.td
@@ -76,8 +76,6 @@
   InGroup<UnusedParameter>, DefaultIgnore;
 def warn_decl_in_param_list : Warning<
   "declaration of %0 will not be visible outside of this function">;
-def warn_ISR_has_arguments : Warning<
-  "Interrupt Service Routine (%0) has arguments">;
 
 def warn_implicit_function_decl : Warning<
   "implicit declaration of function %0">,