remove unnecessary imports

src/draw/coordinate.entity.ts

-import {
-  Entity,
-  Column,
-  PrimaryGeneratedColumn,
-  ManyToOne,
-  CreateDateColumn,
-  OneToMany,
-} from 'typeorm';
+import { Entity, Column, PrimaryGeneratedColumn, ManyToOne } from 'typeorm';
 
 import { GameEntity } from '../game/game.entity';
 import { FactionEntity } from '../faction/faction.entity';
@@ -20,7 +13,7 @@ export class MapDrawingEntity {
   @Column({ type: 'bool', nullable: true }) drawingIsActive: boolean;
   @Column({ type: 'json', nullable: true }) data: JSON;
 
-  // When Faction or game that has the drawing in question is deleted from 
+  // When Faction or game that has the drawing in question is deleted from
   // the database, the drawing is also deleted
   @ManyToOne(type => FactionEntity, faction => faction.mapDrawings, {
     onDelete: 'CASCADE',