Remove unused dependencies.

Signed-off-by: Aramis Sennyey <sennyeya@amazon.com>

plugins/openapi-utils/package.json

@@ -24,23 +24,17 @@
     "postpack": "backstage-cli package postpack"
   },
   "devDependencies": {
-    "@backstage/cli": "workspace:^",
-    "expect-type": "^0.15.0"
+    "@backstage/cli": "workspace:^"
   },
   "files": [
     "dist"
   ],
   "dependencies": {
-    "@backstage/backend-common": "workspace:^",
     "@types/express": "^4.17.6",
     "@types/express-serve-static-core": "^4.17.33",
     "express": "^4.17.1",
     "express-promise-router": "^4.1.0",
     "json-schema-to-ts": "^2.6.2",
-    "openapi-types": "^12.1.0",
-    "openapi3-ts": "^3.1.2",
-    "ts-node": "^10.9.1",
-    "winston": "^3.8.2",
-    "yn": "^4.0.0"
+    "openapi3-ts": "^3.1.2"
   }
 }

yarn.lock

@@ -3975,19 +3975,13 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "@backstage/backend-openapi-utils@workspace:plugins/openapi-utils"
   dependencies:
-    "@backstage/backend-common": "workspace:^"
     "@backstage/cli": "workspace:^"
     "@types/express": ^4.17.6
     "@types/express-serve-static-core": ^4.17.33
-    expect-type: ^0.15.0
     express: ^4.17.1
     express-promise-router: ^4.1.0
     json-schema-to-ts: ^2.6.2
-    openapi-types: ^12.1.0
     openapi3-ts: ^3.1.2
-    ts-node: ^10.9.1
-    winston: ^3.8.2
-    yn: ^4.0.0
   languageName: unknown
   linkType: soft
 
@@ -24158,13 +24152,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"expect-type@npm:^0.15.0":
-  version: 0.15.0
-  resolution: "expect-type@npm:0.15.0"
-  checksum: f5d3733bb593d9f7cf302b393e34b19389fb7022d72963815e9a847a9517b65201faef733dd9006bed9e200486d77204fd958c8d29ef58b466bed2da076fc0ba
-  languageName: node
-  linkType: hard
-
 "expect@npm:^28.0.0":
   version: 28.1.3
   resolution: "expect@npm:28.1.3"
@@ -32450,7 +32437,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"openapi-types@npm:^12.0.0, openapi-types@npm:^12.1.0":
+"openapi-types@npm:^12.0.0":
   version: 12.1.0
   resolution: "openapi-types@npm:12.1.0"
   checksum: d8f3e2bae519aa6bcf2012f4a5592b7283fe928c06f3bdc182776ce637c7ed8d5f9f342724f68c95c9572aefe21ed5e89b18a0295a703da61af5f97bd2aea9a7
@@ -40631,7 +40618,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"winston@npm:^3.2.1, winston@npm:^3.8.2":
+"winston@npm:^3.2.1":
   version: 3.8.2
   resolution: "winston@npm:3.8.2"
   dependencies: