MULE-8018: Merge http connector code cleanup
MULE-8018: Merge http connector code cleanup

Removing unnecessary code from listener
MULE-8018: Merge http connector code cleanup

Changes in the outbound part after code review feedback
MULE-8018 - adding PR feedback to listener
Merge pull request #1163 from mulesoft/MULE-8018

MULE-8018: Merge http connector code cleanup