patch 8.2.2155: warning from Github actions for code analysis

Problem:    Warning from Github actions for code analysis.
Solution:   Remove the "git checkout HEAD^2" block.

src/version.c

@@ -750,6 +750,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    2155,
 /**/
     2154,
 /**/