[questions][chore] delete extra migration file

apps/portal/prisma/migrations/20221019073812_/migration.sql

@@ -1,14 +0,0 @@
-/*
-  Warnings:
-
-  - Made the column `totalYoe` on table `OffersBackground` required. This step will fail if there are existing NULL values in that column.
-  - Made the column `negotiationStrategy` on table `OffersOffer` required. This step will fail if there are existing NULL values in that column.
-  - Made the column `comments` on table `OffersOffer` required. This step will fail if there are existing NULL values in that column.
-
-*/
--- AlterTable
-ALTER TABLE "OffersBackground" ALTER COLUMN "totalYoe" SET NOT NULL;
-
--- AlterTable
-ALTER TABLE "OffersOffer" ALTER COLUMN "negotiationStrategy" SET NOT NULL,
-ALTER COLUMN "comments" SET NOT NULL;