Round 2 of dead private variable removal.

LLVM is now -Wunused-private-field clean except for
- lib/MC/MCDisassembler/Disassembler.h. Not sure why it keeps all those unaccessible fields.
- gtest.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158096 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/Analysis/ProfileInfoLoader.h

@@ -28,7 +28,6 @@ class BasicBlock;
 
 class ProfileInfoLoader {
   const std::string &Filename;
-  Module &M;
   std::vector<std::string> CommandLines;
   std::vector<unsigned>    FunctionCounts;
   std::vector<unsigned>    BlockCounts;
@@ -39,8 +38,7 @@ class ProfileInfoLoader {
 public:
   // ProfileInfoLoader ctor - Read the specified profiling data file, exiting
   // the program if the file is invalid or broken.
-  ProfileInfoLoader(const char *ToolName, const std::string &Filename,
-                    Module &M);
+  ProfileInfoLoader(const char *ToolName, const std::string &Filename);
 
   static const unsigned Uncounted;