Use only one issue template

.github/ISSUE_TEMPLATE/bug_report.md

@@ -1,29 +0,0 @@
----
-name: Bug report
-about: Create a report to help us improve
-title: ''
-labels: ''
-assignees: ''
-
----
-
-For general technical questions and help with technical issues please use the forum on https://forum.strawberrymusicplayer.org/
-
-**Describe the bug**
-A clear and concise description of what the bug is.
-
-**To Reproduce**
-Steps to reproduce the behavior.
-
-**Expected behavior**
-A clear and concise description of what you expected to happen.
-
-**Screenshots:**
-If applicable, add screenshots to help explain your problem.
-
-**System Information:**
- - Operating system:
- - Strawberry Version:
-
-**Additional context**
-Add any other context about the problem here.