Update build.yml

Author: josteink

.github/workflows/build.yml

@@ -2,7 +2,7 @@ name: Build & Test
 
 on:
   push:
-    branches: [ master ]
+    branches: [ master ]o
   pull_request:
     branches: [ master ]
   # Allows you to run this workflow manually from the Actions tab
@@ -14,17 +14,13 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, macos-latest, windows-latest]
+        os: [ubuntu-latest, windows-latest]
         experimental: [false]
         emacs-version: [26.1, 26.2, 26.3, 27.1, 27.2, 28.1]
         include:
         - emacs-version: snapshot
           experimental: true
           os: ubuntu-latest
-        - emacs-version: snapshot
-          experimental: true
-          os: macos-latest
-          system: x86_64-darwin
         - emacs-version: snapshot
           experimental: true
           os: windows-latest