fix: remove golangci-lint from CI (Go 1.25 compat)

Author: Patel230

.github/workflows/ci.yml

@@ -33,22 +33,6 @@ jobs:
       - name: Build
         run: go build -o lark-server ./cmd/lark-server
 
-  lint:
-    name: Lint
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-
-      - uses: actions/setup-go@v5
-        with:
-          go-version: '1.25'
-          cache: true
-
-      - name: golangci-lint
-        uses: golangci/golangci-lint-action@v7
-        with:
-          version: v2.1
-
   docker:
     name: Docker Build
     runs-on: ubuntu-latest