patch 8.1.1306: Borland support is outdated and doesn't work

Problem:    Borland support is outdated and doesn't work.
Solution:   Remove Borland support, there are other (free) compilers
            available. (Thomas Dziedzic, Ken Takata, closes #4364)
diff --git a/src/vim.rc b/src/vim.rc
index 195536c..726cb96 100644
--- a/src/vim.rc
+++ b/src/vim.rc
@@ -12,11 +12,7 @@
 #include <winver.h>
 #include "version.h"
 #include "gui_w32_rc.h"
-// #if defined(__BORLANDC__) || defined(__CYGWIN32__) || defined(__MINGW32__)
-# include <winresrc.h>
-// #else
-// # include <winres.h>
-// #endif
+#include <winresrc.h>
 
 //
 // Icons