Code Clean-up - Remove unsupported interface related code#7

Satoru-Shinohara merged 2 commits intooc-intf-common-code-Jan30nagarwal03/oc-yang-intf:oc-intf-common-code-Jan30from

satoru-port-jan30nagarwal03/oc-yang-intf:satoru-port-jan30Copy head branch name to clipboard