admin: remove other issue form as it is heavily abused and has not ever been used for and exceptional issue.

.github/ISSUE_TEMPLATE/other.yml

@@ -1,27 +0,0 @@
-name: Other
-description: Open a general issue
-title: Other Issue Title
-body:
-  - type: markdown
-    attributes:
-      value: |
-        **READ THIS FIRST**
-
-        This form should almost **NEVER** be used. Consider closely why your issue does not fit into one of the [other categories](https://github.com/ethers-io/ethers.js/issues/new/choose).
-        
-        You almost certainly wish to use [the discussions](https://github.com/ethers-io/ethers.js/discussions) instead, to ask a question or seek further guidance.
-  - type: textarea
-    id: about
-    attributes:
-      label: Describe your Issue
-      description: Please include as much relevant context as possible, be concise and clearly explain what you are looking for.
-      placeholder: e.g. What is the answer to life, the universe and everything?
-    validations:
-      required: true
-  - type: checkboxes
-    attributes:
-      label: This is an exception issue
-      description: This form is **only** for *exceptional issues*, which do not match any [other categoeries](https://github.com/ethers-io/ethers.js/issues/new/choose).
-      options:
-        - label: I understand this form is for exceptional issues and believe my issue qualifies.
-          required: true