pl-api: replace lodash omit/pick with our own util

Signed-off-by: nicole mikołajczyk <git@mkljczk.pl>

packages/pl-api/package.json

@@ -30,8 +30,6 @@
     "blurhash": "^2.0.5",
     "http-link-header": "^1.1.3",
     "isows": "^1.0.7",
-    "lodash.omit": "^4.5.0",
-    "lodash.pick": "^4.4.0",
     "object-to-formdata": "^4.5.1",
     "query-string": "^9.3.1",
     "semver": "^7.7.4",
@@ -39,8 +37,6 @@
   },
   "devDependencies": {
     "@types/http-link-header": "^1.0.7",
-    "@types/lodash.omit": "^4.5.9",
-    "@types/lodash.pick": "^4.4.9",
     "@types/node": "^25.3.0",
     "@types/semver": "^7.7.1",
     "oxfmt": "^0.35.0",