Reference LTP-002 rule in Cocci scripts

Avoid duplication of rule description

Signed-off-by: Richard Palethorpe <rpalethorpe@suse.com>
Reviewed-by: Petr Vorel <pvorel@suse.cz>
Reviewed-by: Cyril Hrubis <chrubis@suse.cz>
diff --git a/scripts/coccinelle/libltp-test-macro-vars.cocci b/scripts/coccinelle/libltp-test-macro-vars.cocci
index ed5459a..e0fe4e2 100644
--- a/scripts/coccinelle/libltp-test-macro-vars.cocci
+++ b/scripts/coccinelle/libltp-test-macro-vars.cocci
@@ -1,11 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 // Copyright (c) 2021 SUSE LLC  <rpalethorpe@suse.com>
 
-// The TEST macro should not be used in the library because it sets
-// TST_RET and TST_ERR which are global variables. The test author
-// only expects these to be changed if *they* call TEST directly.
-
-// Find all positions where TEST's variables are used
+// Find violations of LTP-002
 @ find_use exists @
 expression E;
 @@
diff --git a/scripts/coccinelle/libltp-test-macro.cocci b/scripts/coccinelle/libltp-test-macro.cocci
index 7563d23..86c55c6 100644
--- a/scripts/coccinelle/libltp-test-macro.cocci
+++ b/scripts/coccinelle/libltp-test-macro.cocci
@@ -1,9 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 // Copyright (c) 2021 SUSE LLC  <rpalethorpe@suse.com>
 
-// The TEST macro should not be used in the library because it sets
-// TST_RET and TST_ERR which are global variables. The test author
-// only expects these to be changed if *they* call TEST directly.
+// Find and fix violations of rule LTP-002
 
 // Set with -D fix
 virtual fix