ci: remove redundant go.yml workflow

go-improved.yml is a superset (tests + build). Also fix its path
trigger to reference itself and include main.go.

.github/workflows/go-improved.yml

@@ -14,7 +14,8 @@ on:
       - 'server/**'
       - 'go.mod'
       - 'go.sum'
-      - '.github/workflows/go.yml'
+      - 'main.go'
+      - '.github/workflows/go-improved.yml'
   pull_request:
     branches:
       - main

.github/workflows/go.yml

@@ -1,58 +0,0 @@
-name: Build
-
-on:
-  push:
-    paths:
-      - 'common/**'
-      - 'config/**'
-      - 'network/**'
-      - 'server/**'
-      - 'go.mod'
-      - 'go.sum'
-      - 'main.go'
-      - '.github/workflows/go.yml'
-
-permissions:
-  contents: read
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-    
-    steps:
-    - uses: actions/checkout@v4
-
-    - name: Set up Go
-      uses: actions/setup-go@v5
-      with:
-        go-version: '1.25'
-
-    - name: Build Linux-amd64
-      run: env GOOS=linux GOARCH=amd64 go build -v
-        
-    - name: Upload Linux-amd64 artifacts
-      uses: actions/upload-artifact@v4
-      with:
-        name: Linux-amd64
-        path: |
-          ./erupe-ce
-          ./config.json
-          ./www/
-          ./savedata/
-          ./bin/
-          ./bundled-schema/
-
-    - name: Build Windows-amd64
-      run: env GOOS=windows GOARCH=amd64 go build -v
-      
-    - name: Upload Windows-amd64 artifacts
-      uses: actions/upload-artifact@v4
-      with:
-        name: Windows-amd64
-        path: |
-          ./erupe-ce.exe
-          ./config.json
-          ./www/
-          ./savedata/
-          ./bin/
-          ./bundled-schema/