Removed all unused/obsolete workflows

Author: cmaglie

.github/workflows/check-python-task.yml

@@ -1,4 +1 @@
 __pycache__/
-/.github/workflows/assets/validate-registry/validate-registry
-!/.github/workflows/assets/validate-registry/validate-registry/
-/.github/workflows/assets/validate-registry/validate-registry.exe

.gitignore

@@ -1,16 +1,12 @@
 # Arduino Library Manager list
 
 [![Check Registry status](https://github.com/arduino/library-registry/actions/workflows/check-registry.yml/badge.svg)](https://github.com/arduino/library-registry/actions/workflows/check-registry.yml)
-[![Test Integration status](https://github.com/arduino/library-registry/actions/workflows/test-go-integration-task.yml/badge.svg)](https://github.com/arduino/library-registry/actions/workflows/test-go-integration-task.yml)
-[![Check Go status](https://github.com/arduino/library-registry/actions/workflows/check-go-task.yml/badge.svg)](https://github.com/arduino/library-registry/actions/workflows/check-go-task.yml)
-[![Check Python status](https://github.com/arduino/library-registry/actions/workflows/check-python-task.yml/badge.svg)](https://github.com/arduino/library-registry/actions/workflows/check-python-task.yml)
 [![Check General Formatting status](https://github.com/arduino/library-registry/actions/workflows/check-general-formatting-task.yml/badge.svg)](https://github.com/arduino/library-registry/actions/workflows/check-general-formatting-task.yml)
 [![Check Prettier Formatting status](https://github.com/arduino/library-registry/actions/workflows/check-prettier-formatting-task.yml/badge.svg)](https://github.com/arduino/library-registry/actions/workflows/check-prettier-formatting-task.yml)
 [![Check Taskfiles status](https://github.com/arduino/library-registry/actions/workflows/check-taskfiles.yml/badge.svg)](https://github.com/arduino/library-registry/actions/workflows/check-taskfiles.yml)
 [![Check Workflows status](https://github.com/arduino/library-registry/actions/workflows/check-workflows-task.yml/badge.svg)](https://github.com/arduino/library-registry/actions/workflows/check-workflows-task.yml)
 [![Check YAML status](https://github.com/arduino/library-registry/actions/workflows/check-yaml-task.yml/badge.svg)](https://github.com/arduino/library-registry/actions/workflows/check-yaml-task.yml)
 [![Check License status](https://github.com/arduino/library-registry/actions/workflows/check-license.yml/badge.svg)](https://github.com/arduino/library-registry/actions/workflows/check-license.yml)
-[![Check Go Dependencies status](https://github.com/arduino/library-registry/actions/workflows/check-go-dependencies-task.yml/badge.svg)](https://github.com/arduino/library-registry/actions/workflows/check-go-dependencies-task.yml)
 
 This branch contains the generated source file for the Arduino Library Manager index. If you want to add a library to
 the Arduino Library Manager index, please follow these instructions:

README.md

@@ -57,22 +57,6 @@ tasks:
     cmds:
       - poetry update
 
-  # Source: https://github.com/arduino/tooling-project-assets/blob/main/workflow-templates/assets/check-python-task/Taskfile.yml
-  python:lint:
-    desc: Lint Python code
-    deps:
-      - task: poetry:install-deps
-    cmds:
-      - poetry run flake8 --show-source
-
-  # Source: https://github.com/arduino/tooling-project-assets/blob/main/workflow-templates/assets/check-python-task/Taskfile.yml
-  python:format:
-    desc: Format Python files
-    deps:
-      - task: poetry:install-deps
-    cmds:
-      - poetry run black .
-
   registry:validate:
     desc: Validate registry data file
     cmds: