Update bug_report.md

.github/ISSUE_TEMPLATE/bug_report.md

@@ -18,16 +18,10 @@ 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.
-
-**Desktop (please complete the following information):**
+**Environment, if relevant:**
  - OS: [e.g. iOS]
  - R Version [e.g. 4.4.0]
  - Python Version [e.g. 3.10]
  - flepiMoP branch commit if relevant 
 
-**Does this link to other issue(s)? If so, please specify.**
 
-**Additional context**
-Add any other context about the problem here.