patch 8.0.0662: stray FIXME for fixed problem

Problem:    Stray FIXME for fixed problem.
Solution:   Remove the comment. (Dominique Pelle)
diff --git a/src/version.c b/src/version.c
index 228525c..ab7a929 100644
--- a/src/version.c
+++ b/src/version.c
@@ -765,6 +765,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    662,
+/**/
     661,
 /**/
     660,