Revert "CA-108916: add call to V6rpc.get_current_edition API"

This reverts commit 04f4d921c9d657f928fb4768abc390095b1418cc.
CA-113278: This commit was causing many testcases to fail. Reverting the commit for now till we figure out a better way to fix the original problem.

Signed-off-by: Akshay <akshay.ramani@citrix.com>
Merge pull request #1458 from akshayramani/CA-113278

Revert "CA-108916: add call to V6rpc.get_current_edition API"