Move NRF SBI models to common src

src/api-server/CMakeLists.txt

src/api-server/model/AccessTokenClaims.cpp

src/api-server/model/AccessTokenClaims.h

src/api-server/model/AccessTokenRsp.cpp

src/api-server/model/AccessTokenRsp.h

src/api-server/model/AmfCond.cpp

src/api-server/model/AmfCond.h

src/api-server/model/AmfInfo.cpp

src/api-server/model/AmfInfo.h

src/api-server/model/AusfInfo.cpp

src/api-server/model/AusfInfo.h

src/api-server/model/BsfInfo.cpp

src/api-server/model/BsfInfo.h

src/api-server/model/ChfInfo.cpp

src/api-server/model/ChfInfo.h

src/api-server/model/ChfServiceInfo.cpp

src/api-server/model/ChfServiceInfo.h

src/api-server/model/DataSetId.cpp

src/api-server/model/DataSetId.h

src/api-server/model/DefaultNotificationSubscription.cpp