Searched the code for unused RPCs and removed them.
Focus of this was to look only on sysinv-conductor RPCs.
TEST PLAN:
PASS: Success rebuild of the system.
PASS: Run all sysinv unit tests with 100% success.
PASS: Verify sysinv logs and check for errors.
PASS: AIO-SX and AIO-DX sysinv install/replace.
PASS: Success of AIO-SX and AIO-DX bootstrap.
PASS: Success on call system commands related with the API.
Story: 2010087
Task: 45908
Change-Id: Ia091c1855b8e596f62f0d3d6f14807638aa10cc2
Signed-off-by: Eduardo Juliano Alberti <eduardo.alberti@windriver.com>