Remove method calls just repeating the default.

Source/cmGlobalMSYSMakefileGenerator.cxx

@@ -100,8 +100,6 @@ cmGlobalMSYSMakefileGenerator::CreateLocalGenerator(cmLocalGenerator* parent)
   cmLocalUnixMakefileGenerator3* lg =
       new cmLocalUnixMakefileGenerator3(this, parent);
   lg->SetIgnoreLibPrefix(true);
-  lg->SetPassMakeflags(false);
-  lg->SetUnixCD(true);
   return lg;
 }
 

Source/cmGlobalMinGWMakefileGenerator.cxx

@@ -65,8 +65,6 @@ cmGlobalMinGWMakefileGenerator::CreateLocalGenerator(cmLocalGenerator* parent)
   cmLocalUnixMakefileGenerator3* lg =
       new cmLocalUnixMakefileGenerator3(this, parent);
   lg->SetIgnoreLibPrefix(true);
-  lg->SetPassMakeflags(false);
-  lg->SetUnixCD(true);
   return lg;
 }
 

Source/cmGlobalWatcomWMakeGenerator.cxx

@@ -54,7 +54,6 @@ cmGlobalWatcomWMakeGenerator::CreateLocalGenerator(cmLocalGenerator* parent)
       = new cmLocalUnixMakefileGenerator3(this, parent);
   lg->SetMakeSilentFlag("-h");
   lg->SetIgnoreLibPrefix(true);
-  lg->SetPassMakeflags(false);
   lg->SetUnixCD(false);
   return lg;
 }