chore: delete golangci-lint on old release branch

As agreed in gchat

Signed-off-by: bwplotka <bwplotka@gmail.com>

Author: bwplotka

.github/workflows/presubmit.yml

@@ -34,18 +34,6 @@ jobs:
         fetch-depth: 0
     - uses: siderolabs/conform@v0.1.0-alpha.27
       name: Conform Action
-  golangci-lint:
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v4
-    - uses: actions/setup-go@v5
-      with:
-        go-version: '~1.24'
-    - name: golangci-lint
-      uses: golangci/golangci-lint-action@v3
-      with:
-        version: v1.64.8
-        args: --timeout=5m
   validate:
     runs-on: ubuntu-latest
     steps: