Fix typos/needless whitespace

Author: aschwaighofer

lib/IRGen/GenClass.cpp

@@ -1065,7 +1065,7 @@ void IRGenModule::emitClassDecl(ClassDecl *D) {
     if (!isEmbeddedWithExistentials && !D->isGenericContext()) {
       emitEmbeddedClassMetadata(*this, D);
     } else {
-      // We create all metadata lazyly in embedded with existentials mode.
+      // We create all metadata lazily in embedded with existentials mode.
       return;
     }
   }

lib/IRGen/GenMeta.cpp

@@ -5398,7 +5398,6 @@ diagnoseUnsupportedObjCImplLayout(IRGenModule &IGM, ClassDecl *classDecl,
 void irgen::emitClassMetadata(IRGenModule &IGM, ClassDecl *classDecl,
                               const ClassLayout &fragileLayout,
                               const ClassLayout &resilientLayout) {
-
   assert(!classDecl->isForeign());
   PrettyStackTraceDecl stackTraceRAII("emitting metadata for", classDecl);