patch 8.0.0144: when using MSVC the GvimExt directory is cleaned twice

Problem:    When using MSVC the GvimExt directory is cleaned twice.
Solution:   Remove the lines. (Ken Takata)
diff --git a/src/version.c b/src/version.c
index d4224cb..78717e1 100644
--- a/src/version.c
+++ b/src/version.c
@@ -765,6 +765,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    144,
+/**/
     143,
 /**/
     142,