remove github garbage

.github/dependabot.yml

@@ -1,14 +0,0 @@
-version: 2
-updates:
-- package-ecosystem: cargo
-  directory: "/native/xler_native"
-  schedule:
-    interval: daily
-    time: "04:00"
-  open-pull-requests-limit: 10
-- package-ecosystem: mix
-  directory: "/"
-  schedule:
-    interval: daily
-    time: "04:00"
-  open-pull-requests-limit: 10

.github/release-drafter.yml

@@ -1,22 +0,0 @@
-name-template: 'v$NEXT_PATCH_VERSION 🌈'
-tag-template: 'v$NEXT_PATCH_VERSION'
-categories:
-  - title: '🚀 Features'
-    labels:
-      - 'feature'
-      - 'enhancement'
-      - 'new importer'
-      - 'new channel'
-  - title: '🐛 Bug Fixes'
-    labels:
-      - 'fix'
-      - 'bugfix'
-      - 'bug'
-  - title: '🧰 Maintenance'
-    labels:
-      - 'dependencies'
-      - 'documentation'
-change-template: '- $TITLE @$AUTHOR (#$NUMBER)'
-template: |
-  ## Changes
-  $CHANGES

.github/workflows/elixir-ci.yml

@@ -1,27 +0,0 @@
-name: Elixir CI
-
-on: [push, pull_request]
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-
-    steps:
-      - uses: actions/checkout@v2
-      - name: Read .tool-versions
-        uses: marocchino/tool-versions-action@v1
-        id: versions
-      - name: Setup Rust
-        uses: actions-rs/toolchain@v1
-        with:
-          toolchain: ${{ steps.versions.outputs.rust }}
-          override: true
-      - name: Setup Elixir
-        uses: actions/setup-elixir@v1
-        with:
-          elixir-version: ${{ steps.versions.outputs.elixir }}
-          otp-version: ${{ steps.versions.outputs.erlang }}
-      - name: Install Dependencies
-        run: mix deps.get
-      - name: Run Tests
-        run: mix test

.github/workflows/release-drafter.yml

@@ -1,16 +0,0 @@
-name: Release Drafter
-
-on:
-  push:
-    # branches to consider in the event; optional, defaults to all
-    branches:
-      - master
-
-jobs:
-  update_release_draft:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: release-drafter/release-drafter@v5
-        id: release_drafter
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}