Fix mv 🤦

.travis.yml

@@ -41,7 +41,7 @@ before_deploy:
   - rm -rf dist/*.css.map
   # Move all source maps to it's own directory
   - mkdir -p source-maps
-  - mv dist/*.js.map source-maps/
+  - mv dist/*.js.map source-maps/ 2>/dev/null; true
   - cp dist/*.js source-maps/
   # Creating tar.gz and zip archives
   - cd dist