patch 8.1.0254: cannot build on MS-Windows; unused macro HAVE_HANDLE_DROP

Problem:    Cannot build on MS-Windows; Unused macro HAVE_HANDLE_DROP.
Solution:   Adjust #ifdef. Delete the macro.

src/main.c

@@ -706,7 +706,7 @@ vim_main2(void)
 	scroll_region_reset();		/* In case Rows changed */
     scroll_start();	/* may scroll the screen to the right position */
 
-#ifdef FEAT_TITLE
+#if defined(FEAT_TITLE) && (defined(UNIX) || defined(VMS) || defined(MACOS_X))
     term_push_title(SAVE_RESTORE_BOTH);
 #endif
 

src/version.c

@@ -794,6 +794,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    254,
 /**/
     253,
 /**/

src/vim.h

@@ -2548,13 +2548,6 @@ typedef enum {
 #define TERM_START_FORCEIT	2
 #define TERM_START_SYSTEM	4
 
-#if defined(HAVE_DROP_FILE) \
-	|| (defined(FEAT_GUI_GTK) && defined(FEAT_DND)) \
-	|| defined(FEAT_GUI_MSWIN) \
-	|| defined(FEAT_GUI_MAC)
-# define HAVE_HANDLE_DROP
-#endif
-
 // Used for icon/title save and restore.
 #define SAVE_RESTORE_TITLE	1
 #define SAVE_RESTORE_ICON	2