patch 8.1.1169: writing coverage info in a separate dir is not needed

Problem:    Writing coverage info in a separate dir is not needed.
Solution:   Revert the changes to use a separate directory.
diff --git a/src/version.c b/src/version.c
index 99ffbc3..367b170 100644
--- a/src/version.c
+++ b/src/version.c
@@ -772,6 +772,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1169,
+/**/
     1168,
 /**/
     1167,