Move the 0.7 pre-prelease configuration to maya-apiserver
Move the 0.7 pre-prelease configuration to maya-apiserver

The 0.7 YAMLs - CAST YAMLs for cStor and Jiva, SP, SPC, SC
have all been moved to maya-apiserver installer.
Refer: https://github.com/openebs/maya/pull/496

Signed-off-by: kmova <6a28dfa88869c0f71365518480e309e6698873e0@openebs.io>

yudaykiran/openebs