Remove the jprof profiler.

This resolves #377.

toolkit/xre/nsAppRunner.cpp

@@ -183,10 +183,6 @@
 #include "mozilla/Logging.h"
 #endif
 
-#ifdef MOZ_JPROF
-#include "jprof.h"
-#endif
-
 #include "base/command_line.h"
 #include "GTestRunner.h"
 
@@ -1514,11 +1510,6 @@ static nsresult LaunchChild(nsINativeAppSupport* aNative,
   // Restart this process by exec'ing it into the current process
   // if supported by the platform.  Otherwise, use NSPR.
 
-#ifdef MOZ_JPROF
-  // make sure JPROF doesn't think we're E10s
-  unsetenv("JPROF_SLAVE");
-#endif
-
   if (aBlankCommandLine) {
     gRestartArgc = 1;
     gRestartArgv[gRestartArgc] = nullptr;
@@ -3397,11 +3388,6 @@ XREMain::XRE_mainStartup(bool* aExitFlag)
   XRE_InstallX11ErrorHandler();
 #endif
 
-  // Call the code to install our handler
-#ifdef MOZ_JPROF
-  setupProfilingStuff();
-#endif
-
   rv = NS_CreateNativeAppSupport(getter_AddRefs(mNativeApp));
   if (NS_FAILED(rv))
     return 1;