Delete unneeded APM issue template (#125167)

.github/ISSUE_TEMPLATE/APM.yml

@@ -1,44 +0,0 @@
-name: APM Issue
-description: Issues related to the curated APM UI in Kibana
-labels: Team:apm
-title: "[APM] "
-body: 
-  - type: markdown
-    attributes:
-      value: |
-        Thank you for our interest in Elastic APM. This issue tracker is meant for reporting bugs and problems with APM UI. For questions around how to use or setup APM, please refer to our [Discuss Forum](https://discuss.elastic.co/)
-  - type: input
-    attributes:
-      label: Kibana version
-    validations:
-      required: true
-  - type: input
-    attributes:
-      label: APM Server version (if applicable)
-    validations:
-      required: false
-  - type: input
-    attributes:
-      label: Elasticsearch version (if applicable)
-    validations:
-      required: false      
-  - type: textarea
-    attributes:
-      label: Steps to Reproduce
-      description: Steps to reproduce the behavior.
-    validations:
-      required: false
-  - type: textarea
-    attributes:
-      label: Expected Behavior
-      description: A concise description of what you expected to happen.
-    validations:
-      required: false
-  - type: textarea
-    attributes:
-      label: Actual Behavior
-      description: A concise description of what you're experiencing.
-    validations:
-      required: false
-    
-