WizardActivity: Remove unused import

Author: Roker2

app/src/main/java/org/andbootmgr/app/WizardActivity.kt

@@ -2,7 +2,6 @@ package org.andbootmgr.app
 
 import android.net.Uri
 import android.os.Bundle
-import android.os.Environment
 import android.util.Log
 import android.widget.Toast
 import androidx.activity.ComponentActivity