Fix echo calls

Author: camdecoster

.circleci/config.yml

@@ -526,8 +526,8 @@ commands:
           name: Show failure instructions
           when: on_fail
           command: |
-            'echo "Image Diff Detected: baselines may need to be updated. Use \"circleci_image_artifact_download.sh\" to download new baselines."'
-            'echo "Add the new images to \"test/image/baselines\" and commit them to this pull request."'
+            echo "Image Diff Detected: baselines may need to be updated. Use \"circleci_image_artifact_download.sh\" to download new baselines."
+            echo "Add the new images to \"test/image/baselines\" and commit them to this pull request."
 
 workflows:
   version: 2