Remove support for MSVC

sky/engine/core/html/parser/MarkupTokenizerInlines.h

Index: sky/engine/core/html/parser/MarkupTokenizerInlines.h
diff --git a/sky/engine/core/html/parser/MarkupTokenizerInlines.h b/sky/engine/core/html/parser/MarkupTokenizerInlines.h
index 13747c611ffe3eddac916c354b25c309c19463ad..9b34243738b8da572deb21d4c5ede53966bca8ec 100644
--- a/sky/engine/core/html/parser/MarkupTokenizerInlines.h
+++ b/sky/engine/core/html/parser/MarkupTokenizerInlines.h
@@ -60,12 +60,6 @@ inline void advanceStringAndASSERT(SegmentedString& source, const char* expected
         source.advanceAndASSERT(*expectedCharacters++);
 }
 
-#if COMPILER(MSVC)
-// We need to disable the "unreachable code" warning because we want to assert
-// that some code points aren't reached in the state machine.
-#pragma warning(disable: 4702)
-#endif
-
 #define BEGIN_STATE(prefix, stateName) case prefix::stateName: stateName:
 #define END_STATE() ASSERT_NOT_REACHED(); break;