Removed remaining parts of CMRT

Removed CMRT as it is deprecated
Modified VC LIT tests MetaData

Author: fveselov

IGC/VectorCompiler/include/vc/Support/BackendConfig.h

@@ -113,9 +113,6 @@ struct GenXBackendOptions {
   // Disable induction variable simplification
   bool DisableIndvarsOpt = false;
 
-  // use new Prolog/Epilog Insertion pass vs old CisaBuilder machinery
-  bool UseNewStackBuilder = true;
-
   FunctionControl FCtrl = FunctionControl::Default;
 
   // Non-owning pointer to workaround table.
@@ -323,8 +320,6 @@ class GenXBackendConfig : public ImmutablePass {
 
   bool disableIndvarsOpt() const { return Options.DisableIndvarsOpt; }
 
-  bool useNewStackBuilder() const { return Options.UseNewStackBuilder; }
-
   unsigned getStatelessPrivateMemSize() const {
     return Options.StatelessPrivateMemSize;
   }