IOSAD-164 Let mySelf wrap myself, and that's it

pEpObjCAdapter/PEPInternalSession.m

@@ -536,23 +536,9 @@ typedef PEP_STATUS (* rating_function_type)(PEP_SESSION session, message *msg, P
 }
 
 - (BOOL)mySelf:(PEPIdentity * _Nonnull)identity
-         error:(NSError * _Nullable * _Nullable)error
-{
-    // The default for pEpSyncEnabled is YES, that means the adapter
-    // will not change the engine identity in that regard after new_identity
-    // (called by PEP_identityToStruct).
-    return [self mySelf:identity pEpSyncEnabled:YES error:error];
-}
-
-- (BOOL)mySelf:(PEPIdentity * _Nonnull)identity
-pEpSyncEnabled:(BOOL)pEpSyncEnabled
          error:(NSError * _Nullable * _Nullable)error {
     pEp_identity *ident = PEP_identityToStruct(identity);
 
-    if (!pEpSyncEnabled) {
-        ident->flags |= PEP_idf_not_for_sync;
-    }
-
     PEPStatus status = (PEPStatus) myself(_session, ident);
 
     if ([NSError setError:error fromPEPStatus:status]) {

pEpObjCAdapter/PEPSession.m

@@ -179,14 +179,6 @@
     return [session mySelf:identity error:error];
 }
 
-- (BOOL)mySelf:(PEPIdentity * _Nonnull)identity
-pEpSyncEnabled:(BOOL)pEpSyncEnabled
-         error:(NSError * _Nullable * _Nullable)error {
-    PEPInternalSession *session = [PEPSessionProvider session];
-    RETURN_ON_ERROR(session, error, NO);
-    return [session mySelf:identity pEpSyncEnabled:pEpSyncEnabled error:error];
-}
-
 - (BOOL)updateIdentity:(PEPIdentity * _Nonnull)identity
                  error:(NSError * _Nullable * _Nullable)error
 {

pEpObjCAdapterFramework/PEPSessionProtocol.h

@@ -97,22 +97,6 @@
 - (BOOL)mySelf:(PEPIdentity * _Nonnull)identity
          error:(NSError * _Nullable * _Nullable)error;
 
-/// Marks an identity as an own identity, and decides about participation in pEp sync.
-///
-/// @return Returns YES on success, NO on error, setting `*error` accordingly if possible.
-///
-/// @note See the engine's myself function for details.
-///
-/// @param identity The identity to mark as own.
-///
-/// @param pEpSyncEnabled Whether to enable sync, or not. Will set PEP_idf_not_for_sync
-/// accordingly.
-///
-/// @param error Standard cocoa error handling.
-- (BOOL)mySelf:(PEPIdentity * _Nonnull)identity
-pEpSyncEnabled:(BOOL)pEpSyncEnabled
-         error:(NSError * _Nullable * _Nullable)error;
-
 /// Calls the engine's update_identity on the given identity.
 ///
 /// @note Prior this was invoking myself if the identity was identified as being an own