misc: Add/Remove new lines from bug_report.md

There were some weird newline characters in this file, or lack of lines.
This patch adds/removes them.

Change-Id: I6cc918788c07bbc4be5c68401ad3987be00fffc4

.github/ISSUE_TEMPLATE/bug_report.md

@@ -4,7 +4,6 @@ about: Create a report to help us find and fix the bug
 title: ''
 labels: bug
 assignees: ''
-
 ---
 
 **Describe the bug**
@@ -18,6 +17,7 @@ If you have modified gem5 in some way please state, to the best of your ability,
 
 **To Reproduce**
 Steps to reproduce the behavior. Please assume starting from a clean repository:
+
 1. Compile gem5 with command ...
 2. Execute the simulation with...
 
@@ -25,13 +25,9 @@ If writing code, or a terminal command, use code blocks. Either an inline code b
 
 
 ```
-
 int x=2;
-
 int y=3'
-
 print(x+y);
-
 ```
 
 If possible, please include the Python configuration script used and state clearly any parameters passed.
@@ -41,9 +37,7 @@ If applicable, add the terminal output here. If long, only include the relevant
 Please put the terminal output in code blocks. I.e.:
 
 ```
-
 #Terminal output here#
-
 ```
 
 **Expected behavior**