chore: remove redundant create flow mutation

packages/backend/src/graphql/mutations/create-flow.js

@@ -1,45 +0,0 @@
-import App from '../../models/app.js';
-import Step from '../../models/step.js';
-
-const createFlow = async (_parent, params, context) => {
-  context.currentUser.can('create', 'Flow');
-
-  const connectionId = params?.input?.connectionId;
-  const appKey = params?.input?.triggerAppKey;
-
-  if (appKey) {
-    await App.findOneByKey(appKey);
-  }
-
-  const flow = await context.currentUser.$relatedQuery('flows').insert({
-    name: 'Name your flow',
-  });
-
-  if (connectionId) {
-    const hasConnection = await context.currentUser
-      .$relatedQuery('connections')
-      .findById(connectionId);
-
-    if (!hasConnection) {
-      throw new Error('The connection does not exist!');
-    }
-  }
-
-  await Step.query().insert({
-    flowId: flow.id,
-    type: 'trigger',
-    position: 1,
-    appKey,
-    connectionId,
-  });
-
-  await Step.query().insert({
-    flowId: flow.id,
-    type: 'action',
-    position: 2,
-  });
-
-  return flow;
-};
-
-export default createFlow;