removing a weird helper function

app/src/main/kotlin/com/simplemobiletools/notes/pro/activities/MainActivity.kt

@@ -235,7 +235,7 @@ class MainActivity : SimpleActivity() {
     private fun handleUri(uri: Uri) {
         val id = dbHelper.getNoteId(uri.path)
 
-        if (dbHelper.isValidId(id)) {
+        if (id > 0) {
             updateSelectedNote(id)
             return
         }

app/src/main/kotlin/com/simplemobiletools/notes/pro/helpers/DBHelper.kt

@@ -182,8 +182,6 @@ class DBHelper private constructor(private val mContext: Context) : SQLiteOpenHe
         mDb.update(NOTES_TABLE_NAME, values, selection, selectionArgs)
     }
 
-    fun isValidId(id: Int) = id > 0
-
     fun getWidgets(): ArrayList<Widget> {
         val widgets = ArrayList<Widget>()
         val cols = arrayOf(COL_WIDGET_ID, COL_NOTE_ID)