Remove unused dependencies from kubernetes, signals, and techdocs

Signed-off-by: Hope Hadfield <hhadfiel@redhat.com>

plugins/signals-backend/knip-report.md

@@ -1,17 +1,3 @@
 # Knip report
 
-## Unused dependencies (4)
-
-| Name                        | Location     | Severity |
-| :-------------------------- | :----------- | :------- |
-| @backstage/plugin-auth-node | plugins/signals-backend/package.json | error    |
-| http-proxy-middleware       | plugins/signals-backend/package.json | error    |
-| winston                     | plugins/signals-backend/package.json | error    |
-| yn                          | plugins/signals-backend/package.json | error    |
-
-## Unused devDependencies (1)
-
-| Name | Location     | Severity |
-| :-- | :----------- | :------- |
-| msw | plugins/signals-backend/package.json | error    |
 

plugins/signals-backend/package.json

@@ -39,17 +39,13 @@
   "dependencies": {
     "@backstage/backend-plugin-api": "workspace:^",
     "@backstage/config": "workspace:^",
-    "@backstage/plugin-auth-node": "workspace:^",
     "@backstage/plugin-events-node": "workspace:^",
     "@backstage/plugin-signals-node": "workspace:^",
     "@backstage/types": "workspace:^",
     "express": "^4.17.1",
     "express-promise-router": "^4.1.0",
-    "http-proxy-middleware": "^2.0.0",
     "uuid": "^11.0.0",
-    "winston": "^3.2.1",
-    "ws": "^8.18.0",
-    "yn": "^4.0.0"
+    "ws": "^8.18.0"
   },
   "devDependencies": {
     "@backstage/backend-defaults": "workspace:^",
@@ -61,7 +57,6 @@
     "@types/express": "^4.17.6",
     "@types/supertest": "^2.0.8",
     "@types/ws": "^8.5.10",
-    "msw": "^1.0.0",
     "supertest": "^7.0.0"
   }
 }