chore: Remove displayName field from credentials

packages/backend/src/graphql/mutations/create-credential.ts

@@ -6,12 +6,10 @@ import RequestWithCurrentUser from '../../types/express/request-with-current-use
 
 type Params = {
   key: string,
-  displayName: string,
   data: object
 }
 const createCredentialResolver = async (params: Params, req: RequestWithCurrentUser) => {
   const credential = await Credential.query().insert({
-    displayName: params.displayName,
     key: params.key,
     data: params.data,
     userId: req.currentUser.id
@@ -24,7 +22,6 @@ const createCredential = {
   type: credentialType,
   args: {
     key: { type: GraphQLNonNull(GraphQLString) },
-    displayName: { type: GraphQLNonNull(GraphQLString) },
     data: { type: GraphQLNonNull(twitterCredentialInputType) }
   },
   resolve: (_: any, params: Params, req: RequestWithCurrentUser) => createCredentialResolver(params, req)