Update system-tests-pr.yaml

Author: franvila

.github/workflows/system-tests-pr.yaml

@@ -76,7 +76,7 @@ jobs:
           LABELS: ${{ toJson(github.event.pull_request.labels.*.name) }}
         run: |
           PR_LABELS=$(echo ${LABELS[@]} | sed 's/\n//g; s/ //g')
-          KAFKA_CLIENT=$(echo "${PR_LABELS},${KAFKA_CLIENTS}" | sed 's/,/\n/g; s/\[//g; s/\]//g; s/test\/system-test\///g' | sort | uniq -d | | tr -d '"')
+          KAFKA_CLIENT=$(echo "${PR_LABELS},${KAFKA_CLIENTS}" | sed 's/,/\n/g; s/\[//g; s/\]//g; s/test\/system-test\///g' | sort | uniq -d | tr -d '"')
           KAFKA_CLIENT=$([[ -z $KAFKA_CLIENT ]] && echo 'strimzi_test_client' || echo $KAFKA_CLIENT)
           echo "kafka_client=$KAFKA_CLIENT" >> "$GITHUB_OUTPUT"
           echo "$KAFKA_CLIENT"