patch 8.0.1580: FEAT_CURSORBIND and FEAT_SCROLLBIND are unused

Problem:    FEAT_CURSORBIND and FEAT_SCROLLBIND are unused.
Solution:   Delete them.

Author: brammool

src/feature.h

@@ -695,20 +695,6 @@
 # define FEAT_LIBCALL
 #endif
 
-/*
- * +scrollbind		synchronization of split windows
- */
-#if defined(FEAT_NORMAL)
-# define FEAT_SCROLLBIND
-#endif
-
-/*
- * +cursorbind		synchronization of split windows
- */
-#if defined(FEAT_NORMAL)
-# define FEAT_CURSORBIND
-#endif
-
 /*
  * +menu		":menu" command
  */

src/version.c

@@ -766,6 +766,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1580,
 /**/
     1579,
 /**/