simplify bug report template (linkml#2265)

* simplify bug report template

fixes linkml#2250

* Update bug_report.md

---------

Co-authored-by: Chris Mungall <cjm@berkeleybop.org>

Author: 2 people

.github/ISSUE_TEMPLATE/bug_report.md

@@ -19,23 +19,9 @@ assignees: ''
 **Describe the bug**
 A clear and concise description of what the bug is (including the error message that is printed, if any)
 
-**To reproduce**
-Steps to reproduce the behavior:
-1. Go to '...'
-2. Click on '....'
-3. Scroll down to '....'
-4. See error
+**Version of LinkML you are using**
 
-**Expected behavior**
-A clear and concise description of what you expected to happen.
+**Please provide a schema (and if applicable, a data file) that replicates the issue**
+You can include this in th issue if small, or provide a link e.g. to github.
+Ideally a minimal example that replicates the problem is ideal, but only if this is easy for you.
 
-**Screenshots**
-If applicable, add screenshots to help explain your problem.
-
-**About your computer (if applicable, please complete the following information):**
- - OS: [e.g. iOS]
- - Browser [e.g. chrome, safari]
- - Version [e.g. 22]
-
-**Additional context**
-Add any other context about the problem here.