Remove Sleep(500) with global hook - was causing process creation stalls

* This was for no good reason anyway. You absolutely shouldn't be
  creating threads in DllMain... but if you do, don't delay return from
  it to wait on those threads, as they won't even start until you've
  returned. Ooops.

renderdocshim/renderdocshim.cpp

@@ -128,7 +128,7 @@ void CheckHook()
     else
     {
       LOGPRINT(L"renderdocshim: NOT Hooking into '");
-      LOGPRINT(data->exepath);
+      LOGPRINT(exepath);
       LOGPRINT(L"', based on '");
       LOGPRINT(data->pathmatchstring);
       LOGPRINT(L"'\n");
@@ -165,11 +165,6 @@ BOOL APIENTRY dll_entry(HMODULE hModule, DWORD ul_reason_for_call, LPVOID lpRese
     // create a thread so that we can perform more complex actions (DllMain must be minimal
     // in size, even this is a bit dodgy).
     CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)&CheckHookThread, (LPVOID)hModule, 0, NULL);
-
-    // Sleep on this thread a bit, as we want to call CheckHook() before any real work is done.
-    // Note it is important we don't try to *synchronise* on CheckHookThread, as that can easily
-    // cause deadlocks, crashes, etc.
-    Sleep(500);
   }
 
   return TRUE;