remove the build step, not needed

Author: JoviDeCroock

.travis.yml

@@ -20,14 +20,10 @@ install:
 
 jobs:
   include:
-    - stage: Build
-      script:
-        - yarn run build
-
     - stage: Lint
       script:
         - yarn run lint
 
     - stage: Test
       script:
-        - yarn run test
+        - yarn run test