simplify workflow

.github/workflows/test.yml

@@ -21,46 +21,17 @@ on:
 
 jobs:
   default:
-    runs-on: ${{ matrix.os }}
+    runs-on: ubuntu-latest
     strategy:
       fail-fast: false
       matrix:
         node-version: ['lts/*', '*']
-        os: [macos-latest, ubuntu-latest, windows-latest]
 
     steps:
     - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
       with:
         fetch-depth: 10
 
-    - name: Install NSIS (macOS)
-      if: matrix.os == 'macos-latest'
-      run: |
-        brew update
-        brew install nsis
-
-    - name: Install NSIS (Ubuntu)
-      if: matrix.os == 'ubuntu-latest'
-      run:   |
-        sudo apt-get -y update
-        sudo apt-get -y install nsis
-
-    - name: Install NSIS (Windows)
-      if: matrix.os == 'windows-latest'
-      shell: pwsh
-      run: |
-        [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
-        iwr -useb get.scoop.sh -outfile 'install.ps1'
-        .\install.ps1 -RunAsAdmin
-        scoop bucket add nsis https://github.com/NSIS-Dev/scoop-nsis
-        scoop install nsis/nsis
-
-    - name: Print NSIS version
-      run: makensis -VERSION
-
-    - name: Print NSIS header info
-      run: makensis -HDRINFO
-
     - uses: actions/setup-node@b39b52d1213e96004bfcb1c61a8a6fa8ab84f3e8 # v4.0.1
       with:
         node-version: ${{ matrix.node-version }}