Deleted old GitHub Actions

.github/workflows/mirror.yml

@@ -1,25 +0,0 @@
-name: Mirror
-
-on:
-  push:
-    branches: [master]
-  pull_request:
-    branches: [master]
-
-permissions:
-  contents: read
-
-jobs:
-  mirror:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v4
-        with:
-          fetch-depth: 0
-      - name: Mirror to remote repository
-        uses: yesolutions/mirror-action@master
-        with:
-          REMOTE: "https://git.popov.link/go-metatrader4.git"
-          GIT_USERNAME: ${{ secrets.GIT_USERNAME }}
-          GIT_PASSWORD: ${{ secrets.GIT_PASSWORD }}