Update build.yaml

Author: jeffmaki

.github/workflows/build.yaml

@@ -18,7 +18,6 @@ jobs:
 	  - uses: actions/checkout@v2
       - name: Set commit SHA
 	    run: echo "SHORT_SHA=`echo ${GITHUB_SHA} | cut -c1-8`" >> $GITHUB_ENV
-    
       - name: Build the stack
         run: docker-compose -f docker-compose.build.yml -env example.env build