Fix some crashes

app/src/main/java/eu/kanade/tachiyomi/util/system/DeviceUtil.kt

@@ -1,7 +1,6 @@
 package eu.kanade.tachiyomi.util.system
 
 import android.annotation.SuppressLint
-import android.os.Build
 import logcat.LogPriority
 
 object DeviceUtil {
@@ -26,10 +25,6 @@ object DeviceUtil {
         }
     }
 
-    val isSamsung by lazy {
-        Build.MANUFACTURER.equals("samsung", ignoreCase = true)
-    }
-
     @SuppressLint("PrivateApi")
     private fun getSystemProperty(key: String?): String? {
         return try {