Revert "LexBatch: quotes are general text for ECHO and TITLE"

This reverts commit b9ea8dc.


Single quote is general text; paired are "escaped" text.
Examples:
echo ": %%"
Vs
echo for /f "tokens=3,6,7 delims=<> " %%%%1 in ('findstr /r "abc" ip.txt') do

scintilla/lexers/LexBatch.cxx

@@ -603,9 +603,7 @@ void ColouriseBatchDoc(Sci_PositionU startPos, Sci_Position length, int initStyl
 				if (logicalVisibleChars == 0 && command == Command::None) {
 					command = Command::Argument;
 				}
-				if (command != Command::Echo) {
-					sc.SetState(SCE_BAT_STRINGDQ);
-				}
+				sc.SetState(SCE_BAT_STRINGDQ);
 			} else if ((sc.ch == '\'' || sc.ch == '`') && (chPrevNonWhite == '(' && stylePrevNonWhite == SCE_BAT_OPERATOR)) {
 				parenBefore = parenCount;
 				sc.SetState((sc.ch == '\'') ? SCE_BAT_STRINGSQ : SCE_BAT_STRINGBT);