ci-merge: Add missing -q to grep when searching for old branches

Fixes multiple messages of,

...
grep: integration-linux-qcomlt-20180420-210521-999f6879aa74: No such file or directory
...

Example:

https://ci.linaro.org/job/lt-qcom-linux-automerge/722/consoleFull

Signed-off-by: Aníbal Limón <anibal.limon@linaro.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/ci-merge b/ci-merge
index 950e34a..3b7e1f3 100755
--- a/ci-merge
+++ b/ci-merge
@@ -443,7 +443,7 @@ do_remove_old() {
 	    # ignore commented lines
 	    echo $LINE | egrep -q '(^#|^\s*$|^\s*\t*#)' && continue
 
-	    echo $LINE | grep "^$REMOTE_NAME\b" | grep $REMOTE_URL | grep -q $REMOTE_BRANCH
+	    echo $LINE | grep -q "^$REMOTE_NAME\b" | grep -q $REMOTE_URL | grep -q $REMOTE_BRANCH
 	    if [ $? -eq 0 ]; then
 		FOUND=1
 	    fi