AuthProvider: Inject it via hilt where needed

- Merge validation function in it as well instead of using it as an extension
- Use dedicated preference to check if we are anonymous or not instead of authData

Signed-off-by: Aayush Gupta <aayushgupta219@gmail.com>

app/src/main/java/com/aurora/extensions/AuthData.kt

@@ -1,20 +0,0 @@
-package com.aurora.extensions
-
-import android.content.Context
-import com.aurora.gplayapi.data.models.AuthData
-import com.aurora.gplayapi.helpers.AuthValidator
-import com.aurora.store.data.network.HttpClient
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.withContext
-
-suspend fun AuthData.isValid(context: Context): Boolean {
-    return withContext(Dispatchers.IO) {
-        try {
-            AuthValidator(this@isValid)
-                .using(HttpClient.getPreferredClient(context))
-                .isValid()
-        } catch (e: Exception) {
-            false
-        }
-    }
-}