NCMP openapi.yaml should not be modified when the application is compiled

NCMP openapi.yaml should not be modified when the application is compiled

Make changes to ignore general yml files for API Specification for
NCMP-DMI Plugin
Changes have now been reverted.
Yml files will no longer be copied as part of the build to the docs folder.
Adding api swagger documentation
is now an extra step in the release process outlined here
https://wiki.onap.org/display/DW/CPS+Release+Process

Issue-ID: CPS-674
Change-Id: I63f3537348f04e60978cd01cf7809265dcf43387
Signed-off-by: DylanB95EST <dylan.byrne@est.tech>