removed unused variable

app/src/main/kotlin/com/tutpro/baresip/ContactListAdapter.kt

@@ -42,7 +42,6 @@ class ContactListAdapter(private val cxt: Context, private val rows: ArrayList<S
             deleteDialog.setPositiveButton("Delete") { dialog, _ ->
                 ContactsActivity.contactNames.removeAt(position)
                 ContactsActivity.contactURIs.removeAt(position)
-                ContactsActivity.posAtContacts.removeAt(position)
                 ContactsActivity.saveContacts()
                 this.notifyDataSetChanged()
                 dialog.dismiss()

app/src/main/kotlin/com/tutpro/baresip/ContactsActivity.kt

@@ -45,7 +45,6 @@ class ContactsActivity : AppCompatActivity() {
                 newNameView.clearFocus()
                 contactNames.add(name)
                 contactURIs.add("")
-                posAtContacts.add(contactNames.size)
                 clAdapter.notifyDataSetChanged()
                 saveContacts()
                 val i = Intent(this, ContactActivity::class.java)
@@ -80,15 +79,12 @@ class ContactsActivity : AppCompatActivity() {
 
         var contactNames = ArrayList<String>()
         var contactURIs = ArrayList<String>()
-        var posAtContacts = ArrayList<Int>()
 
         fun generateContacts(path: String) {
             val content = Utils.getFileContents(File(path))
             MainActivity.contacts_remove()
             contactNames.clear()
             contactURIs.clear()
-            posAtContacts.clear()
-            var i = 0
             content.lines().forEach {
                 val parts = it.split("\"")
                 if (parts.size == 3) {
@@ -97,7 +93,6 @@ class ContactsActivity : AppCompatActivity() {
                     MainActivity.contact_add("\"$name\" $uri")
                     contactNames.add(name)
                     contactURIs.add(uri)
-                    posAtContacts.add(i++)
                 }
             }
         }

app/src/main/kotlin/com/tutpro/baresip/HistoryActivity.kt

@@ -50,7 +50,6 @@ class HistoryActivity : AppCompatActivity() {
                         else
                             ContactsActivity.contactURIs.add("sip:${uaHistory[pos].peerURI}" +
                                     "@" + uaHistory[pos].peerDomain)
-                        ContactsActivity.posAtContacts.add(ContactsActivity.contactNames.size)
                         ContactsActivity.saveContacts()
                         val i = Intent(this, ContactActivity::class.java)
                         val b = Bundle()