drop generic from concrete EntityManagers

in the main branch for the project we have linting working as
expceted & it catches the generic `Entity` on these concrete
implementations as an unused definition - which it is

to fix that linting error this change removes the generic
hint from the concrete EntityManager

src/entity-manager/LiteralEntityManager.ts

@@ -42,7 +42,7 @@ import {createLiteralRepository} from "../repository/LiteralRepository";
  * Entity manager supposed to work with any entity, automatically find its repository and call its methods,
  * whatever entity type are you passing.
  */
-export function createLiteralEntityManager<Entity>({ connection, queryRunner }: {
+export function createLiteralEntityManager({ connection, queryRunner }: {
     connection: Connection,
     queryRunner?: QueryRunner,
 }): EntityManager {

src/entity-manager/LiteralMongoEntityManager.ts

@@ -57,7 +57,7 @@ import { createLiteralEntityManager } from "./LiteralEntityManager";
  *
  * This implementation is used for MongoDB driver which has some specifics in its EntityManager.
  */
-export function createLiteralMongoEntityManager<Entity>({ connection }: {
+export function createLiteralMongoEntityManager({ connection }: {
     connection: Connection,
 }): MongoEntityManager {
 

src/entity-manager/LiteralSqljsEntityManager.ts

@@ -8,7 +8,7 @@ import { SqljsEntityManager } from "./SqljsEntityManager";
  * A special EntityManager that includes import/export and load/save function
  * that are unique to Sql.js.
  */
-export function createLiteralSqljsEntityManager<Entity>({ connection, queryRunner }: {
+export function createLiteralSqljsEntityManager({ connection, queryRunner }: {
     connection: Connection,
     queryRunner?: QueryRunner,
 }): SqljsEntityManager {