patch 8.1.1031: memory usage test may still fail

Problem:    Memory usage test may still fail.
Solution:   Drop the unused min value. (Christian Brabandt)
diff --git a/src/version.c b/src/version.c
index 1129164..686a7bd 100644
--- a/src/version.c
+++ b/src/version.c
@@ -780,6 +780,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1031,
+/**/
     1030,
 /**/
     1029,