Remove ts-loader

Nest uses Webpack only for monorepo projects.
As we have a standalone Nest application, we can remove
the webpack-only dependency to ts-loader.

See https://docs.nestjs.com/cli/overview#project-structure

Signed-off-by: David Mehren <git@herrmehren.de>

package.json

@@ -89,7 +89,6 @@
     "source-map-support": "^0.5.19",
     "supertest": "6.1.6",
     "ts-jest": "27.0.5",
-    "ts-loader": "9.2.6",
     "ts-node": "10.2.1",
     "tsconfig-paths": "3.11.0",
     "typescript": "4.4.3"

yarn.lock

@@ -3807,7 +3807,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"enhanced-resolve@npm:^5.0.0, enhanced-resolve@npm:^5.7.0, enhanced-resolve@npm:^5.8.0":
+"enhanced-resolve@npm:^5.7.0, enhanced-resolve@npm:^5.8.0":
   version: 5.8.2
   resolution: "enhanced-resolve@npm:5.8.2"
   dependencies:
@@ -5091,7 +5091,6 @@ __metadata:
     supertest: 6.1.6
     swagger-ui-express: 4.1.6
     ts-jest: 27.0.5
-    ts-loader: 9.2.6
     ts-node: 10.2.1
     tsconfig-paths: 3.11.0
     typeorm: 0.2.37
@@ -6754,7 +6753,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"micromatch@npm:^4.0.0, micromatch@npm:^4.0.4":
+"micromatch@npm:^4.0.4":
   version: 4.0.4
   resolution: "micromatch@npm:4.0.4"
   dependencies:
@@ -9349,21 +9348,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"ts-loader@npm:9.2.6":
-  version: 9.2.6
-  resolution: "ts-loader@npm:9.2.6"
-  dependencies:
-    chalk: ^4.1.0
-    enhanced-resolve: ^5.0.0
-    micromatch: ^4.0.0
-    semver: ^7.3.4
-  peerDependencies:
-    typescript: "*"
-    webpack: ^5.0.0
-  checksum: 309d8fb6348c0c3a7166d42c1238c585ede00f816155b24217dbca489406a72409395d7954bc5801ddb9ca71c71e7e0b2375dbc342337e0ab1a461944598a7fe
-  languageName: node
-  linkType: hard
-
 "ts-node@npm:10.2.1":
   version: 10.2.1
   resolution: "ts-node@npm:10.2.1"