replaced with grub_strchrsub function

grub-core/script/script.c

@@ -22,27 +22,6 @@
 #include <grub/parser.h>
 #include <grub/mm.h>
 
-/* Escape single quotes in first `len' characters of `in' into a GRUB
-   script argument form into `out'; return address of the end in
-   `out'. */
-char *
-grub_script_escape_squotes (char *out, const char *in, grub_size_t len)
-{
-  while (*in && len--)
-    {
-      *out++ = *in;
-      if (*in == '\'')
-	{
-	  *out++ = '\\';
-	  *out++ = '\'';
-	  *out++ = '\'';
-	}
-      in++;
-    }
-  *out = '\0';
-  return out;
-}
-
 /* It is not possible to deallocate the memory when a syntax error was
    found.  Because of that it is required to keep track of all memory
    allocations.  The memory is freed in case of an error, or assigned