chore: remove redundant delete step mutation

packages/backend/src/graphql/mutations/delete-step.js

@@ -1,40 +0,0 @@
-import Step from '../../models/step.js';
-
-const deleteStep = async (_parent, params, context) => {
-  const conditions = context.currentUser.can('update', 'Flow');
-  const isCreator = conditions.isCreator;
-  const allSteps = Step.query();
-  const userSteps = context.currentUser.$relatedQuery('steps');
-  const baseQuery = isCreator ? userSteps : allSteps;
-
-  const step = await baseQuery
-    .withGraphFetched('flow')
-    .findOne({
-      'steps.id': params.input.id,
-    })
-    .throwIfNotFound();
-
-  await step.$relatedQuery('executionSteps').delete();
-  await step.$query().delete();
-
-  const nextSteps = await step.flow
-    .$relatedQuery('steps')
-    .where('position', '>', step.position);
-
-  const nextStepQueries = nextSteps.map(async (nextStep) => {
-    await nextStep.$query().patch({
-      position: nextStep.position - 1,
-    });
-  });
-
-  await Promise.all(nextStepQueries);
-
-  step.flow = await step.flow
-    .$query()
-    .withGraphJoined('steps')
-    .orderBy('steps.position', 'asc');
-
-  return step;
-};
-
-export default deleteStep;