refact(pcf): Remove PCF models and use the ones in common-src

build/pcf/used_common_files.cmake

src/api-server/CMakeLists.txt

src/api-server/api/IndividualSMPolicyDocumentApi.cpp

src/api-server/api/IndividualSMPolicyDocumentApi.h

src/api-server/api/SMPoliciesCollectionApi.cpp

src/api-server/api/SMPoliciesCollectionApi.h

...ver/handler/individual_sm_policy_document_api_handler.cpp

...erver/handler/individual_sm_policy_document_api_handler.h

...api-server/handler/sm_policies_collection_api_handler.cpp

src/api-server/handler/sm_policies_collection_api_handler.h

src/api-server/impl/IndividualSMPolicyDocumentApiImpl.cpp

src/api-server/impl/IndividualSMPolicyDocumentApiImpl.h

src/api-server/impl/SMPoliciesCollectionApiImpl.cpp

src/api-server/impl/SMPoliciesCollectionApiImpl.h

src/api-server/model/AccNetChId.cpp

src/api-server/model/AccNetChId.h

src/api-server/model/AccNetChargingAddress.cpp

src/api-server/model/AccNetChargingAddress.h

src/api-server/model/AccuUsageReport.cpp

src/api-server/model/AccuUsageReport.h