All things deletion for runner* now are clean af and cascadeing

ref #13

src/models/entities/RunnerTeam.ts

@@ -1,6 +1,5 @@
 import { IsNotEmpty } from "class-validator";
-import { ChildEntity, getConnectionManager, ManyToOne } from "typeorm";
-import { Runner } from './Runner';
+import { ChildEntity, ManyToOne } from "typeorm";
 import { RunnerGroup } from "./RunnerGroup";
 import { RunnerOrganisation } from "./RunnerOrganisation";
 
@@ -17,11 +16,4 @@ export class RunnerTeam extends RunnerGroup {
   @IsNotEmpty()
   @ManyToOne(() => RunnerOrganisation, org => org.teams, { nullable: true })
   parentGroup?: RunnerOrganisation;
-
-  /**
-   * Returns all runners associated with this team.
-   */
-  public async getRunners() {
-    return await getConnectionManager().get().getRepository(Runner).find({ group: this });
-  }
 }