NFC: Make this test kinder on downstream forks

Downstream forks that have their own attributes often run into this
test failing when a new attribute is added to clang because the
number of supported attributes no longer match. This is redundant
information for this test, so we can get by without it.

rdar://46288577

llvm-svn: 348218
diff --git a/clang/utils/TableGen/ClangAttrEmitter.cpp b/clang/utils/TableGen/ClangAttrEmitter.cpp
index 43e6638..70dfacc 100644
--- a/clang/utils/TableGen/ClangAttrEmitter.cpp
+++ b/clang/utils/TableGen/ClangAttrEmitter.cpp
@@ -3977,12 +3977,7 @@
                                                 raw_ostream &OS) {
   PragmaClangAttributeSupport Support = getPragmaAttributeSupport(Records);
   ParsedAttrMap Attrs = getParsedAttrList(Records);
-  unsigned NumAttrs = 0;
-  for (const auto &I : Attrs) {
-    if (Support.isAttributedSupported(*I.second))
-      ++NumAttrs;
-  }
-  OS << "#pragma clang attribute supports " << NumAttrs << " attributes:\n";
+  OS << "#pragma clang attribute supports the following attributes:\n";
   for (const auto &I : Attrs) {
     if (!Support.isAttributedSupported(*I.second))
       continue;
@@ -4014,6 +4009,7 @@
     }
     OS << ")\n";
   }
+  OS << "End of supported attributes.\n";
 }
 
 } // end namespace clang