Clean up some old GitHub stuff

.github/ISSUE_TEMPLATE/bug_report.md

----
-name: Bug report
-about: Create a report to help us improve
-title: "[Bug]"
-labels: bug
-assignees: ''
-
----
-
-**Describe the bug**
-A clear and concise description of what the bug is.
-
-**To Reproduce**
-Steps to reproduce the behavior:
-1. Go to '...'
-2. Click on '....'
-3. Scroll down to '....'
-4. See error
-
-**Expected behavior**
-A clear and concise description of what you expected to happen.
-
-**Screenshots**
-If applicable, add screenshots to help explain your problem.
-
-**Host Software (please complete the following information):**
- - OS: [e.g. Linux]
- - Distribution: [e.g. Arch Linux]
- - Vagrant Version: [`vagrant version`]
- - Hypervisor: [e.g Virtualbox]
- - Hypervisor Version: [e.g. Virtualbox Version]
- - Image Version: [e.g. v2019.07.05]
- - Host Modules: [e.g. virtualbox-host-dkms]
- - Host Modules Version: [e.g. 6.0.10-1]
- - Output of `id` command: [this is for checking if your user is part of group `vboxusers`]
- - Output of `uname -a`: [e.g. Linux motoko 5.2.11.a-1-hardened #1 SMP PREEMPT Tue Sep 3 00:13:50 CEST 2019 x86_64 GNU/Linux]
- - Vagrant Plugins: [do you use any plugins? if so, please name them here]
-
-**Additional context**
-Add any other context about the problem here.

.github/ISSUE_TEMPLATE/feature_request.md

----
-name: Feature request
-about: Suggest an idea for this project
-title: "[RFE]"
-labels: RFE
-assignees: ''
-
----
-
-**Is your feature request related to a problem? Please describe.**
-A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
-
-**Describe the solution you'd like**
-A clear and concise description of what you want to happen.
-
-**Describe alternatives you've considered**
-A clear and concise description of any alternative solutions or features you've considered.
-
-**Additional context**
-Add any other context or screenshots about the feature request here.

.github/ISSUE_TEMPLATE/question.md

----
-name: Question
-about: For support
-title: "[Question]"
-labels: question
-assignees: ''
-
----
-
-

.github/workflows/main.yml

-name: Github-Actions
-
-on: [push, pull_request]
-
-jobs:
-  vagrant-validation:
-    runs-on: ubuntu-latest
-
-    steps:
-    - uses: actions/checkout@v1
-    - name: install packer
-      run: ./generic-ci.sh install-packer
-
-    - name: verify local.json
-      run: ./generic-ci.sh verify-local
-
-    - name: verify vagrant.json
-      run: ./generic-ci.sh verify-official
-
-    - name: verify cloud.json
-      run: ./generic-ci.sh verify-cloud
-
-  python-syntax-validation:
-    runs-on: ubuntu-latest
-
-    steps:
-    - uses: actions/checkout@v1
-    - name: install flake8
-      run: ./generic-ci.sh install-flake8
-
-    - name: run flake8 checks
-      run: ./generic-ci.sh flake8
-
-  python-format-validation:
-    runs-on: ubuntu-latest
-
-    steps:
-    - uses: actions/checkout@v1
-    - name: install yapf
-      run: ./generic-ci.sh install-yapf
-
-    - name: run yapf checks
-      run: ./generic-ci.sh yapf
-
-  shell-syntax-validation:
-    runs-on: ubuntu-latest
-
-    steps:
-    - uses: actions/checkout@v1
-    - name: run shellcheck
-      run: ./generic-ci.sh shellcheck
-
-  shell-format-validation:
-    runs-on: ubuntu-latest
-
-    steps:
-    - uses: actions/checkout@v1
-    - name: install-shfmt
-      run: ./generic-ci.sh install-shfmt
-
-    - name: run shfmt checks
-      run: ./generic-ci.sh shfmt