Update IMDb parents-guide API base URL to tiffara.com

imdbapi.dev moved its base URL; also drops the now-dead
ImdbApiService.create() factory since HomeViewModel already gets its
instance through Hilt DI in NetworkModule.

app/src/main/java/com/fluxa/app/di/NetworkModule.kt

@@ -185,7 +185,7 @@ object NetworkModule {
     @Singleton
     fun provideImdbApiService(@Named("StremioClient") client: OkHttpClient): ImdbApiService {
         return Retrofit.Builder()
-            .baseUrl("https://api.imdbapi.dev/")
+            .baseUrl("https://tiffara.com/")
             .client(client)
             .addConverterFactory(GsonConverterFactory.create())
             .build()

data/src/androidMain/kotlin/com/fluxa/app/data/remote/AuxiliaryServices.kt

@@ -259,17 +259,6 @@ data class TmdbCollectionResponse(
 interface ImdbApiService {
     @GET("titles/{titleId}/parentsGuide")
     suspend fun getParentsGuide(@Path("titleId") titleId: String): ParentsGuideResponse
-
-    companion object {
-        fun create(): ImdbApiService {
-            return Retrofit.Builder()
-                .baseUrl("https://api.imdbapi.dev/")
-                .callFactory { request -> StremioService.sharedClient.newCall(request) }
-                .addConverterFactory(GsonConverterFactory.create())
-                .build()
-                .create(ImdbApiService::class.java)
-        }
-    }
 }
 
 data class ParentsGuideResponse(val parentsGuide: List<ParentsGuideCategory> = emptyList())