Remove some inadvertantly committed code.

Remove some things that were supposed to have been removed prior to the
original commit, and fix a typo in the DEBUG_TYPE string.

Author: rudkx

lib/SILOptimizer/Transforms/GenericSpecializer.cpp

@@ -15,7 +15,7 @@
 //
 //===----------------------------------------------------------------------===//
 
-#define DEBUG_TYPE "sil-generic-specialize"
+#define DEBUG_TYPE "sil-generic-specializer"
 
 #include "swift/SIL/SILFunction.h"
 #include "swift/SIL/SILInstruction.h"
@@ -26,13 +26,6 @@
 
 using namespace swift;
 
-// STATISTIC(NumEscapingAllocas, "Number of aggregate allocas not chopped up "
-//           "due to uses.");
-// STATISTIC(NumChoppedAllocas, "Number of chopped up aggregate allocas.");
-// STATISTIC(NumUnhandledAllocas, "Number of non struct, tuple allocas.");
-
-namespace {} // end anonymous namespace
-
 namespace {
 
 class GenericSpecializer : public SILFunctionTransform {