Don't print redundant errors when parsing GDScript

The error macros print a generic error, which isn't necessary, and could be confusing to end users.

modules/gdscript/gdscript.cpp

@@ -870,7 +870,7 @@ Error GDScript::reload(bool p_keep_state) {
 		}
 		// TODO: Show all error messages.
 		_err_print_error("GDScript::reload", path.is_empty() ? "built-in" : (const char *)path.utf8().get_data(), parser.get_errors().front()->get().line, ("Parse Error: " + parser.get_errors().front()->get().message).utf8().get_data(), false, ERR_HANDLER_SCRIPT);
-		ERR_FAIL_V(ERR_PARSE_ERROR);
+		return ERR_PARSE_ERROR;
 	}
 
 	GDScriptAnalyzer analyzer(&parser);
@@ -886,7 +886,7 @@ Error GDScript::reload(bool p_keep_state) {
 			_err_print_error("GDScript::reload", path.is_empty() ? "built-in" : (const char *)path.utf8().get_data(), e->get().line, ("Parse Error: " + e->get().message).utf8().get_data(), false, ERR_HANDLER_SCRIPT);
 			e = e->next();
 		}
-		ERR_FAIL_V(ERR_PARSE_ERROR);
+		return ERR_PARSE_ERROR;
 	}
 
 	bool can_run = ScriptServer::is_scripting_enabled() || parser.is_tool();
@@ -904,7 +904,7 @@ Error GDScript::reload(bool p_keep_state) {
 				GDScriptLanguage::get_singleton()->debug_break_parse(_get_debug_path(), compiler.get_error_line(), "Parser Error: " + compiler.get_error());
 			}
 			_err_print_error("GDScript::reload", path.is_empty() ? "built-in" : (const char *)path.utf8().get_data(), compiler.get_error_line(), ("Compile Error: " + compiler.get_error()).utf8().get_data(), false, ERR_HANDLER_SCRIPT);
-			ERR_FAIL_V(ERR_COMPILATION_FAILED);
+			return ERR_COMPILATION_FAILED;
 		} else {
 			return err;
 		}