[llvm-mca] Remove dependency from InstrBuilder in class InstructionTables.

Also, removed the initialization of vectors used for processor resource masks.
Support function 'computeProcResourceMasks()' already calls method resize on
those vectors.
No functional change intended.

llvm-svn: 345161
diff --git a/llvm/tools/llvm-mca/llvm-mca.cpp b/llvm/tools/llvm-mca/llvm-mca.cpp
index 9ad761e..9992395 100644
--- a/llvm/tools/llvm-mca/llvm-mca.cpp
+++ b/llvm/tools/llvm-mca/llvm-mca.cpp
@@ -519,7 +519,7 @@
       //  Create a pipeline, stages, and a printer.
       auto P = llvm::make_unique<mca::Pipeline>();
       P->appendStage(llvm::make_unique<mca::FetchStage>(IB, S));
-      P->appendStage(llvm::make_unique<mca::InstructionTables>(SM, IB));
+      P->appendStage(llvm::make_unique<mca::InstructionTables>(SM));
       mca::PipelinePrinter Printer(*P);
 
       // Create the views for this pipeline, execute, and emit a report.