Remove invoke (#705)

The invoke team already maintains a docker setup for their service, this
copy here was maybe relevant 2 years ago when all of this started, but I
don't think it makes sense anymore.

Refer to invoke's docs to install using docker
https://invoke-ai.github.io/InvokeAI/installation/040_INSTALL_DOCKER/

.github/workflows/docker.yml

@@ -14,7 +14,6 @@ jobs:
       matrix:
         profile:
           - auto
-          - invoke
           - comfy
           - download
     runs-on: ubuntu-latest

README.md

@@ -18,14 +18,6 @@ This repository provides multiple UIs for you to play around with stable diffusi
 | ---------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------- |
 | ![](https://user-images.githubusercontent.com/24505302/189541954-46afd772-d0c8-4005-874c-e2eca40c02f2.jpg) | ![](https://user-images.githubusercontent.com/24505302/189541956-5b528de7-1b5d-479f-a1db-d3f5a53afc59.jpg) | ![](https://user-images.githubusercontent.com/24505302/189541957-cf78b352-a071-486d-8889-f26952779a61.jpg) |
 
-### [InvokeAI](https://github.com/invoke-ai/InvokeAI)
-
-[Full feature list here](https://github.com/invoke-ai/InvokeAI#features), Screenshots:
-
-| Text to image                                                                                              | Image to image                                                                                             | Extras                                                                                                     |
-| ---------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------- |
-| ![](https://user-images.githubusercontent.com/24505302/195158552-39f58cb6-cfcc-4141-9995-a626e3760752.jpg) | ![](https://user-images.githubusercontent.com/24505302/195158553-152a0ab8-c0fd-4087-b121-4823bcd8d6b5.jpg) | ![](https://user-images.githubusercontent.com/24505302/195158548-e118206e-c519-4915-85d6-4c248eb10fc0.jpg) |
-
 ### [ComfyUI](https://github.com/comfyanonymous/ComfyUI)
 
 [Full feature list here](https://github.com/comfyanonymous/ComfyUI#features), Screenshot:

docker-compose.yml

@@ -38,22 +38,6 @@ services:
     environment:
       - CLI_ARGS=--no-half --precision full --allow-code --enable-insecure-extension-access --api
 
-  invoke: &invoke
-    <<: *base_service
-    profiles: ["invoke"]
-    build: ./services/invoke/
-    image: sd-invoke:31
-    environment:
-      - PRELOAD=true
-      - CLI_ARGS=--xformers
-
-  # invoke-cpu:
-  #   <<: *invoke
-  #   profiles: ["invoke-cpu"]
-  #   environment:
-  #     - PRELOAD=true
-  #     - CLI_ARGS=--always_use_cpu
-
   comfy: &comfy
     <<: *base_service
     profiles: ["comfy"]