Revert "Improve speed of drw_text when provided with large strings"

This reverts commit 716233534b.

It causes issues with truncation of characters when the text does not fit and
so on.  The patch should be reworked and properly tested.

drw.c

@@ -310,11 +310,8 @@ drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, unsigned int lp
 		if (utf8strlen) {
 			drw_font_getexts(usedfont, utf8str, utf8strlen, &ew, NULL);
 			/* shorten text if necessary */
-			if (ew > w)
+			for (len = MIN(utf8strlen, sizeof(buf) - 1); len && ew > w; len--)
-				for (ew = 0, len = 0; ew < w - lpad * 2 && len < MIN(utf8strlen, sizeof(buf) - 1); len++)
+				drw_font_getexts(usedfont, utf8str, len, &ew, NULL);
-					drw_font_getexts(usedfont, utf8str, len, &ew, NULL);
-			else
-				len = MIN(utf8strlen, sizeof(buf) - 1);
 
 			if (len) {
 				memcpy(buf, utf8str, len);