Revert "Reapply "[PGO] Fix name encoding for ObjC-like functions""

This reverts commit r264641 to investigate why c-general.test is failing
on the bots.

llvm-svn: 264643
diff --git a/llvm/test/tools/llvm-cov/Inputs/instrprof-comdat.h b/llvm/test/tools/llvm-cov/Inputs/instrprof-comdat.h
index a701504..e122716 100644
--- a/llvm/test/tools/llvm-cov/Inputs/instrprof-comdat.h
+++ b/llvm/test/tools/llvm-cov/Inputs/instrprof-comdat.h
@@ -13,12 +13,7 @@
     t += I;                               // HEADER: 20| [[@LINE]]|    t += I;
     if (I > ti / 2)                       // HEADER: 20| [[@LINE]]|    if (I > ti 
       t -= 1;                             // HEADER:  8| [[@LINE]]|      t -= 1;
-  }                                       // HEADER: 20| [[@LINE]]|  }
-                                          // HEADER:  2| [[@LINE]]|
-  return t;                               // HEADER:  2| [[@LINE]]|  return t;
+  }                                       // HEADER: 10| [[@LINE]]|  }
+                                          // HEADER:  1| [[@LINE]]|
+  return t;                               // HEADER:  1| [[@LINE]]|  return t;
 }
-
-// To generate the binaries which correspond to this file, you must first
-// compile a program with two calls to Foo<int>::DoIt(10) for each desired
-// architecture. Collect a raw profile from any one of these binaries, index
-// it, and check it in along with the executables.