docs: remove old issue templates

.github/ISSUE_TEMPLATE.md

@@ -1,48 +0,0 @@
-<!--
-Please fill the informations requested or use one of the following url:
-  - Bug report: https://github.com/semantic-release/semantic-release/issues/new?template=bug-report.md
-  - Feature request: https://github.com/semantic-release/semantic-release/issues/new?template=feature-request.md
-  - New plugin request: https://github.com/semantic-release/semantic-release/issues/new?template=plugin-request.md
--->
-
-<!--------------------- FOR BUG REPORT ONLY --------------------->
-
-## Current behavior
-
-<!-- Describe how the issue manifests. -->
-
-## Expected behavior
-
-<!-- Describe what the desired behavior would be. -->
-
-## Environment
-
-- **semantic-release** version: <!-- Version set in package.json devDpendencies -->
-- CI environment: <!-- CI service name -->
-- Plugins used: <!-- List semantic-release plugin used if any -->
-- **semantic-release** configuration: <!-- link to your repository or relevant part of the semantic-release config -->
-- CI logs: <!-- link to your CI logs or semantic-release logs -->
-
-<!--------------------- FOR FEATURE REQUEST ONLY --------------------->
-
-## New feature motivation
-
-<!-- Describe the context, the use-case and the advantages of the feature request. -->
-
-## New feature description
-
-<!-- Describe the functional changes that would have to be made in semantic-release or its plugins. -->
-
-## New feature implementation
-
-<!-- Optionally describe the technical changes to be made in semantic-release or its plugins. -->
-
-<!--------------------- FOR NEW PLUGIN REQUEST ONLY --------------------->
-
-## New plugin motivation
-
-<!-- Describe the reasons to create a new plugin and why it's not covered by the existing ones. -->
-
-## Third-party documentation
-
-<!-- Provide explanation and documentation links for the platform to integrate with. -->

.github/ISSUE_TEMPLATES/bug-report.md

@@ -1,17 +0,0 @@
-# Bug report
-
-## Current behavior
-
-<!-- Describe how the issue manifests. -->
-
-## Expected behavior
-
-<!-- Describe what the desired behavior would be. -->
-
-## Environment
-
-- **semantic-release** version: <!-- Version set in package.json devDpendencies -->
-- CI environment: <!-- CI service name -->
-- Plugins used: <!-- List semantic-release plugin used if any -->
-- **semantic-release** configuration: <!-- link to your repository or relevant part of the semantic-release config -->
-- CI logs: <!-- link to your CI logs or semantic-release logs -->

.github/ISSUE_TEMPLATES/feature-request.md

@@ -1,13 +0,0 @@
-# Feature request
-
-## New feature motivation
-
-<!-- Describe the context, the use-case and the advantages of the feature request. -->
-
-## New feature description
-
-<!-- Describe the functional changes that would have to be made in semantic-release or its plugins. -->
-
-## New feature implementation
-
-<!-- Optionally describe the technical changes to be made in semantic-release or its plugins. -->

.github/ISSUE_TEMPLATES/plugin-request.md

@@ -1,9 +0,0 @@
-# New plugin request
-
-## New plugin motivation
-
-<!-- Describe the reasons to create a new plugin and why it's not covered by the existing ones. -->
-
-## Third-party documentation
-
-<!-- Provide explanation and documentation links for the platform to integrate with. -->