Update build+test workflow

.github/workflows/build+test.yml

@@ -4,19 +4,14 @@ on:
   push:
     branches:
       - main
-    tags:
-      - 'v*.*.*'
 
 jobs:
   test:
     name: Test mothd
     runs-on: ubuntu-latest
     steps:
-      - name: Retrieve code
-        uses: actions/checkout@v2
-
+      - uses: actions/checkout@v2
       - name: Build
         run: make
-
       - name: Test
         run: ./test.sh