Merge pull request #665 from immutable/chore/remove-marketplace-orderbook-packages

chore: remove marketplace and orderbook packages

Author: nattb8

sample-unity6/Packages/manifest.json

@@ -3,7 +3,6 @@
     "com.alttester.sdk": "2.2.5",
     "com.cysharp.unitask": "2.3.3",
     "com.immutable.api.zkevm": "file:../../src/Packages/ZkEvmApi",
-    "com.immutable.marketplace": "file:../../src/Packages/Marketplace",
     "com.immutable.passport": "file:../../src/Packages/Passport",
     "com.unity.2d.pixel-perfect": "5.1.1",
     "com.unity.collab-proxy": "2.9.3",