Use meta field for booking reference

prisma/migrations/20210913211650_add_meeting_info/migration.sql

@@ -1,4 +0,0 @@
--- AlterTable
-ALTER TABLE "BookingReference" ADD COLUMN     "meetingId" TEXT,
-ADD COLUMN     "meetingPassword" TEXT,
-ADD COLUMN     "meetingUrl" TEXT;

prisma/migrations/20210921204742_booking_reference_add_meta/migration.sql

@@ -0,0 +1,2 @@
+-- AlterTable
+ALTER TABLE "BookingReference" ADD COLUMN     "meta" TEXT;

prisma/schema.prisma

@@ -133,9 +133,7 @@ model BookingReference {
   id              Int      @id @default(autoincrement())
   type            String
   uid             String
-  meetingId       String?
+  meta            String?
-  meetingPassword String?
-  meetingUrl      String?
   booking         Booking? @relation(fields: [bookingId], references: [id])
   bookingId       Int?
 }