Revert "add flag and multiline hits in GDScript"

This reverts commit 7843ec6633625455e689e711aa62e9d8337689fa.

modules/gdscript/gd_parser.cpp

@@ -2607,23 +2607,16 @@ void GDParser::_parse_class(ClassNode *p_class) {
 					} else if (tokenizer->get_token()==GDTokenizer::TK_IDENTIFIER) {
 
 						String identifier = tokenizer->get_token_identifier();
-						if (identifier == "flag") {
-							current_export.type=Variant::INT;
-							current_export.hint=PROPERTY_HINT_ALL_FLAGS;
-						}else if (identifier == "multiline"){
-							current_export.type=Variant::STRING;
-							current_export.hint=PROPERTY_HINT_MULTILINE_TEXT;
-						} else {
-							if (!ObjectTypeDB::is_type(identifier,"Resource")) {
-	
-								current_export=PropertyInfo();
-								_set_error("Export hint not a type or resource.");
-							}
-	
-							current_export.type=Variant::OBJECT;
-							current_export.hint=PROPERTY_HINT_RESOURCE_TYPE;
-							current_export.hint_string=identifier;
+						if (!ObjectTypeDB::is_type(identifier,"Resource")) {
+
+							current_export=PropertyInfo();
+							_set_error("Export hint not a type or resource.");
 						}
+
+						current_export.type=Variant::OBJECT;
+						current_export.hint=PROPERTY_HINT_RESOURCE_TYPE;
+						current_export.hint_string=identifier;
+
 						tokenizer->advance();
 					}