Resolve "Confluence init container not being able to reach EFS"
General MR
Summary
(Summarize the purpose of the MR) Unneeded security context were added to init containers. This will revert back to only having fsGroup being the only one added.
Relevant logs/screenshots
(Include any relevant logs/screenshots)
Linked Issue
Upgrade Notices
(Include any relevant notes about upgrades here or write "N/A" if there are none) N/A
Closes #92 (closed)