remove github actions

.github/workflows/test.yml

···
-name: test
-
-on:
-  push:
-    branches:
-      - master
-      - main
-  pull_request:
-
-jobs:
-  test:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-      - uses: erlef/setup-beam@v1
-        with:
-          otp-version: "27.1.2"
-          gleam-version: "1.9.1"
-          rebar3-version: "3"
-          # elixir-version: "1"
-      - run: gleam deps download
-      - run: gleam test
-      - run: gleam format --check src test