SOL005_37: VnfPkgInfo updated

src/SOL005/VNFPackageManagement/definitions/SOL005VNFPackageManagement_def.yaml

@@ -3,7 +3,6 @@ definitions:
     type: object
     required:
       - id
-      - packageSecurityOption
       - onboardingState
       - operationalState
       - usageState
@@ -67,8 +66,12 @@ definitions:
         description: >
           Signals the security option used by the
           package as defined in clause 5.1 of ETSI
-          GS NFV-SOL 004 [5].
-          Valid values: OPTION_1, OPTION_2
+          GS NFV-SOL 004. It shall be present after 
+          the VNF package content has been on-boarded 
+          and absent otherwise.
+          Valid values: 
+          - OPTION_1
+          - OPTION_2
         type: string
         enum:
           - OPTION_1