Remove redundant textlen() function.

util.c

@@ -249,25 +249,3 @@ void debug_hexdump(const char *label, const uint8_t *data, int len)
 		offset += i;
 	}
 }
-
-int textlen(const char *text)
-{
-	int count = 0;
-
-	for (;;) {
-		if (*text == 27) {
-			while (*text && !isalpha(*text))
-				text++;
-			if (*text)
-				text++;
-		}
-
-		if (!*text)
-			break;
-
-		count++;
-		text++;
-	}
-
-	return count;
-}

util.h

@@ -50,9 +50,6 @@ char *get_arg(char **text);
 void debug_hexdump(const char *label,
 		   const uint8_t *data, int len);
 
-/* Get text length, not including ANSI codes */
-int textlen(const char *text);
-
 static inline int ishex(int c)
 {
 	return isdigit(c) || (c >= 'A' && c <= 'F') || (c >= 'a' && c <= 'f');