ci: remove v2 issue template

.github/ISSUE_TEMPLATE/3.bug_report_v2.yml

@@ -1,47 +0,0 @@
-name: v2 Bug Report
-description: Report a bug for Payload v2. ONLY CRITICAL bugs will be fixed in v2.
-labels: ['status: needs-triage', 'v2']
-body:
-  - type: markdown
-    attributes:
-      value: |
-        ONLY CRITICAL bugs will be fixed in v2.
-  - type: input
-    id: reproduction-link
-    attributes:
-      label: Link to reproduction
-      description: Want us to look into your issue faster? Follow the [reproduction-guide](https://github.com/payloadcms/payload/blob/main/.github/reproduction-guide.md) for more information.
-    validations:
-      required: false
-  - type: textarea
-    attributes:
-      label: Describe the Bug
-    validations:
-      required: true
-  - type: textarea
-    attributes:
-      label: To Reproduce
-      description: Steps to reproduce the behavior, please provide a clear description of how to reproduce the issue, based on the linked minimal reproduction. Screenshots can be provided in the issue body below. If using code blocks, make sure that [syntax highlighting is correct](https://docs.github.com/en/get-started/writing-on-github/working-with-advanced-formatting/creating-and-highlighting-code-blocks#syntax-highlighting) and double check that the rendered preview is not broken.
-    validations:
-      required: true
-  - type: input
-    id: version
-    attributes:
-      label: Payload Version
-      description: What version of Payload are you running?
-    validations:
-      required: true
-  - type: input
-    id: adapters-plugins
-    attributes:
-      label: Adapters and Plugins
-      description: What adapters and plugins are you using? ie. db-mongodb, db-postgres, bundler-webpack, etc.
-  - type: markdown
-    attributes:
-      value: Before submitting the issue, go through the steps you've written down to make sure the steps provided are detailed and clear.
-  - type: markdown
-    attributes:
-      value: Contributors should be able to follow the steps provided in order to reproduce the bug.
-  - type: markdown
-    attributes:
-      value: These steps are used to add integration tests to ensure the same issue does not happen again. Thanks in advance!