Revert "[BOLT] Add NamedRegionTimer to inferStaleProfile (#92621)"

This reverts commit 9f2313829f.

Creates a dependency cycle: lib/Rewrite depends on lib/Profile.

bolt/lib/Profile/StaleProfileMatching.cpp

@@ -30,7 +30,6 @@
 #include "llvm/ADT/Bitfields.h"
 #include "llvm/ADT/Hashing.h"
 #include "llvm/Support/CommandLine.h"
-#include "llvm/Support/Timer.h"
 #include "llvm/Support/xxhash.h"
 #include "llvm/Transforms/Utils/SampleProfileInference.h"
 
@@ -43,7 +42,6 @@ using namespace llvm;
 
 namespace opts {
 
-extern cl::opt<bool> TimeRewrite;
 extern cl::OptionCategory BoltOptCategory;
 
 cl::opt<bool>
@@ -707,10 +705,6 @@ void assignProfile(BinaryFunction &BF,
 
 bool YAMLProfileReader::inferStaleProfile(
     BinaryFunction &BF, const yaml::bolt::BinaryFunctionProfile &YamlBF) {
-
-  NamedRegionTimer T("inferStaleProfile", "stale profile inference", "rewrite",
-                     "Rewrite passes", opts::TimeRewrite);
-
   if (!BF.hasCFG())
     return false;
 

bolt/lib/Rewrite/RewriteInstance.cpp

@@ -235,9 +235,10 @@ UseGnuStack("use-gnu-stack",
   cl::ZeroOrMore,
   cl::cat(BoltCategory));
 
-cl::opt<bool> TimeRewrite("time-rewrite",
-                          cl::desc("print time spent in rewriting passes"),
-                          cl::Hidden, cl::cat(BoltCategory));
+static cl::opt<bool>
+    TimeRewrite("time-rewrite",
+                cl::desc("print time spent in rewriting passes"), cl::Hidden,
+                cl::cat(BoltCategory));
 
 static cl::opt<bool>
 SequentialDisassembly("sequential-disassembly",