Update bug_report.md

The instructional texts should have always comments and not part of the issue text.

Author: Froilan Irizarry

.github/ISSUE_TEMPLATE/bug_report.md

@@ -5,7 +5,7 @@ about: Create a report to help us improve
 ---
 
 **Describe the bug**
-A clear and concise description of what the bug is.
+<!-- A clear and concise description of what the bug is. -->
 
 **To Reproduce**
 Steps to reproduce the behavior:
@@ -15,10 +15,10 @@ Steps to reproduce the behavior:
 4. See error
 
 **Expected behavior**
-A clear and concise description of what you expected to happen.
+<!-- A clear and concise description of what you expected to happen. -->
 
 **Screenshots**
-If applicable, add screenshots to help explain your problem.
+<!-- If applicable, add screenshots to help explain your problem. -->
 
 **Desktop (please complete the following information):**
  - OS: [e.g. iOS]
@@ -32,4 +32,4 @@ If applicable, add screenshots to help explain your problem.
  - Version [e.g. 22]
 
 **Additional context**
-Add any other context about the problem here.
+<!-- Add any other context about the problem here. -->