Update scala.yml

Author: kazievab

.github/workflows/scala.yml

@@ -4,22 +4,12 @@ on: [push]
 
 jobs:
   build:
-
     runs-on: ubuntu-latest
-    
-    strategy:
-      matrix:
-        node-version: [8.x, 10.x, 12.x]
-
     steps:
     - uses: actions/checkout@v2
     - name: Set up JDK 1.8
       uses: actions/setup-java@v1
       with:
         java-version: 1.8
-    - name: Use Node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@v1
-      with:
-        node-version: ${{ matrix.node-version }}  
     - name: Run tests
       run: sbt -mem 4096 test