fix(model): drop unused User#karma field and update test cases

api/src/test/kotlin/dev/msfjarvis/claw/api/ApiTest.kt

@@ -40,7 +40,7 @@ class ApiTest {
 
   @Test
   fun `post details with comments`() = runBlocking {
-    val postDetails = api.getPostDetails("d9ucpe")
+    val postDetails = api.getPostDetails("tdfoqh")
     assertEquals(7, postDetails.comments.size)
   }
 

api/src/test/kotlin/dev/msfjarvis/claw/api/FakeApi.kt

@@ -12,7 +12,7 @@ class FakeApi(private val delegate: BehaviorDelegate<LobstersApi>) : LobstersApi
   private val json = Json { ignoreUnknownKeys = true }
   private val hottest: List<LobstersPost> = json.decodeFromString(getJson("hottest.json"))
   private val postDetails: LobstersPostDetails =
-    json.decodeFromString(getJson("post_details_d9ucpe.json"))
+    json.decodeFromString(getJson("post_details_tdfoqh.json"))
   private val user: User = json.decodeFromString(getJson("msfjarvis.json"))
 
   override suspend fun getHottestPosts(page: Int): List<LobstersPost> {

model/src/commonMain/kotlin/dev/msfjarvis/claw/model/User.kt

@@ -7,7 +7,6 @@ import kotlinx.serialization.Serializable
 class User(
   val username: String,
   val about: String,
-  val karma: Long,
   @SerialName("invited_by_user") val invitedBy: String,
   @SerialName("avatar_url") val avatarUrl: String,
   @SerialName("created_at") val createdAt: String,