[BOLT] Remove --allow-stripped option

AllowStripped has not been used in BOLT.
This option is replaced by actively detecting stripped binary.

Test Plan:

Reviewed By: Amir

Differential Revision: https://reviews.llvm.org/D130036

Author: nhuhuan

bolt/lib/Rewrite/RewriteInstance.cpp

@@ -92,12 +92,6 @@ cl::opt<std::string>
                     "output binary via bolt info section"),
            cl::cat(BoltCategory));
 
-cl::opt<bool>
-AllowStripped("allow-stripped",
-  cl::desc("allow processing of stripped binaries"),
-  cl::Hidden,
-  cl::cat(BoltCategory));
-
 cl::opt<bool> DumpDotAll(
     "dump-dot-all",
     cl::desc("dump function CFGs to graphviz format after each stage;"
@@ -2813,13 +2807,11 @@ void RewriteInstance::preprocessProfileData() {
   if (Error E = ProfileReader->preprocessProfile(*BC.get()))
     report_error("cannot pre-process profile", std::move(E));
 
-  if (!BC->hasSymbolsWithFileName() && ProfileReader->hasLocalsWithFileName() &&
-      !opts::AllowStripped) {
+  if (!BC->hasSymbolsWithFileName() && ProfileReader->hasLocalsWithFileName()) {
     errs() << "BOLT-ERROR: input binary does not have local file symbols "
               "but profile data includes function names with embedded file "
               "names. It appears that the input binary was stripped while a "
-              "profiled binary was not. If you know what you are doing and "
-              "wish to proceed, use -allow-stripped option.\n";
+              "profiled binary was not\n";
     exit(1);
   }
 }