patch 9.0.1027: LGTM is soon shutting down

Problem:    LGTM is soon shutting down.
Solution:   Remove LGTM from CI. (closes #11671)

.lgtm.yml

@@ -1,4 +0,0 @@
-# Format of this file: https://lgtm.com/help/lgtm/lgtm.yml-configuration-file
-path_classifiers:
-  documentation:
-    - runtime/tutor/tutor*

Filelist

@@ -15,7 +15,6 @@ SRC_ALL =	\
 		.github/dependabot.yml \
 		.gitignore \
 		.hgignore \
-		.lgtm.yml \
 		.appveyor.yml \
 		.codecov.yml \
 		ci/appveyor.bat \

src/version.c

@@ -695,6 +695,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1027,
 /**/
     1026,
 /**/