Remove issue template for install

It's not used, and use the bug issue instead.

.github/ISSUE_TEMPLATE/1-install-problem.yml

@@ -1,35 +0,0 @@
-name: 📥 Install Problem
-description: Report an issue during install or upgrade
-labels: [bug, install]
-body:
-  - type: markdown
-    attributes:
-      value: |
-        Thank you for submitting a bug report. It helps make Bun better.
-
-        If you need help or support using Bun, and are not reporting an issue, please
-        join our [Discord](https://discord.gg/CXdq2DP29u) server, where you can ask questions in the [`#help`](https://discord.gg/32EtH6p7HN) forum.
-
-        Please try to include as much information as possible.
-  - type: input
-    attributes:
-      label: What platform is your computer?
-      description: |
-        For MacOS and Linux: copy the output of `uname -mprs`
-        For Windows: copy the output of `"$([Environment]::OSVersion | ForEach-Object VersionString) $(if ([Environment]::Is64BitOperatingSystem) { "x64" } else { "x86" })"` in the PowerShell console
-  - type: textarea
-    attributes:
-      label: How did you attempt to install or upgrade?
-      description: Please provide the commands you ran to install or upgrade.
-    validations:
-      required: true
-  - type: textarea
-    attributes:
-      label: What do you see instead?
-      description: If possible, please provide text instead of a screenshot.
-    validations:
-      required: true
-  - type: textarea
-    attributes:
-      label: Additional information
-      description: Is there anything else you think we should know?