patch 8.2.4241: some type casts are redundant

Problem:    Some type casts are redundant.
Solution:   Remove the type casts. (closes #9643)
diff --git a/src/normal.c b/src/normal.c
index 2184036..2d5f8a5 100644
--- a/src/normal.c
+++ b/src/normal.c
@@ -5211,7 +5211,7 @@
 		colnr_T  start = (colnr_T)(curwin->w_cursor.col - cap->count1);
 
 		netbeans_removed(curbuf, curwin->w_cursor.lnum, start,
-							   (long)cap->count1);
+							   cap->count1);
 		netbeans_inserted(curbuf, curwin->w_cursor.lnum, start,
 					       &ptr[start], (int)cap->count1);
 	    }