[PATCH] tc-testing: gitignore, delete plugins directory

[liujing]

when we modfying kernel, commit it to our environment building. we find a error
that is "tools/testing/selftests/tc-testing/plugins" failed: No such file or directory"

we find plugins directory is ignored in
"tools/testing/selftests/tc-testing/.gitignore", but the plugins directory
is need in "tools/testing/selftests/tc-testing/Makefile"

Signed-off-by: liujing <liujing@xxxxxxxxxxxxxxxxxxxx>
---
 tools/testing/selftests/tc-testing/.gitignore | 1 -
 1 file changed, 1 deletion(-)

diff --git a/tools/testing/selftests/tc-testing/.gitignore b/tools/testing/selftests/tc-testing/.gitignore
index d52f65de23b4..9fe1cef72728 100644
--- a/tools/testing/selftests/tc-testing/.gitignore
+++ b/tools/testing/selftests/tc-testing/.gitignore
@@ -1,7 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-only
 __pycache__/
 *.pyc
-plugins/
 *.xml
 *.tap
 tdc_config_local.py
-- 
2.18.2