[NFC] SimplifyCFGPass::SimplifyCFGPass(): use default SimplifyCFGOptions - we aren't deviating from them here

include/llvm/Transforms/Scalar/SimplifyCFG.h

@@ -34,13 +34,7 @@ public:
   /// rather than optimal IR. That is, by default we bypass transformations that
   /// are likely to improve performance but make analysis for other passes more
   /// difficult.
-  SimplifyCFGPass()
-      : SimplifyCFGPass(SimplifyCFGOptions()
-                            .forwardSwitchCondToPhi(false)
-                            .convertSwitchToLookupTable(false)
-                            .needCanonicalLoops(true)
-                            .sinkCommonInsts(false)) {}
-
+  SimplifyCFGPass() {}
 
   /// Construct a pass with optional optimizations.
   SimplifyCFGPass(const SimplifyCFGOptions &PassOptions);