Clear pull template

PULL_REQUEST_TEMPLATE.md

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-name: Bug report
-about: Create a report to help us improve
 
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-
-**Describe the bug**
-A clear and concise description of the bug.
-
-**To Reproduce**
-Steps to reproduce the behavior:
-1. Drone switched on '...'
-2. Uploaded mission '....' (attach QGC mission file)
-3. Took off '....'
-4. See error
-
-**Expected behavior**
-A clear and concise description of what you expected to happen.
-
-**Log Files and Screenshots**
-*Always* add screenshots and the QGC console log.
-
-**Drone (please complete the following information):**
-- Describe the type of drone.
-- Photo of the IMU / autopilot setup if possible.
-
-**Additional context**
-Add any other context about the problem here.