muc_editor.xml: links to old screenshots removed.

app/src/main/res/values/muc_editor.xml

 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <!-- http://dl.dropbox.com/u/1029995/com.xabber.android/conference_editor_error.png -->
     <string name="EMPTY_NICK_NAME">Nickname not specified</string>
-    <!-- http://dl.dropbox.com/u/1029995/com.xabber.android/conference_editor_error.png -->
     <string name="EMPTY_ROOM_NAME">Conference not specified</string>
-    <!-- http://dl.dropbox.com/u/1029995/com.xabber.android/contact_list_conference_context_menu.png -->
     <string name="muc_join">Join conference</string>
-    <!-- http://dl.dropbox.com/u/1029995/com.xabber.android/conference_editor.png -->
     <string name="muc_nick">Nick</string>
-    <!-- http://dl.dropbox.com/u/1029995/com.xabber.android/conference_editor.png -->
     <string name="muc_nick_hint">Your nick in conference</string>
-    <!-- http://dl.dropbox.com/u/1029995/com.xabber.android/conference_editor.png -->
     <string name="muc_password">Password</string>
-    <!-- http://dl.dropbox.com/u/1029995/com.xabber.android/conference_editor.png -->
     <string name="muc_password_hint">password is not required</string>
-    <!-- http://dl.dropbox.com/u/1029995/com.xabber.android/conference_editor.png -->
     <string name="muc_room">Conference</string>
-    <!-- http://dl.dropbox.com/u/1029995/com.xabber.android/conference_editor.png -->
     <string name="muc_server">Multi User Chat server</string>
-
-    <!-- http://dl.dropbox.com/u/1029995/com.xabber.android/conference_editor_error.png -->
     <string name="NICK_ALREADY_USED">Nick already used</string>
-    <!-- http://dl.dropbox.com/u/1029995/com.xabber.android/conference_editor_error.png -->
     <string name="ALREADY_IN_PROGRESS">Already in progress</string>
-    <!-- http://dl.dropbox.com/u/1029995/com.xabber.android/conference_editor_error.png -->
     <string name="ALREADY_JOINED">Already joined</string>
-    <!-- http://dl.dropbox.com/u/1029995/com.xabber.android/conference_editor.png -->
     <string name="muc_add">Add conference</string>
-    <!-- http://dl.dropbox.com/u/1029995/com.xabber.android/contact_list_conference_context_menu.png -->
     <string name="muc_delete">Remove conference</string>
-    <!-- http://dl.dropbox.com/u/1029995/com.xabber.android/contact_list_conference_confirm.png -->
     <string name="muc_delete_confirm">Do you really want to remove conference %1$s from account %2$s?</string>
-    <!-- http://dl.dropbox.com/u/1029995/com.xabber.android/contact_list_conference_context_menu.png -->
     <string name="muc_edit">Authorization settings</string>
-    <!-- http://dl.dropbox.com/u/1029995/com.xabber.android/conference_editor_invite.png -->
     <string name="muc_invite_confirm">%2$s invites you to join conference %3$s. Join from account %1$s?</string>
-    <!-- http://dl.dropbox.com/u/1029995/com.xabber.android/conference_editor_invite.png -->
     <string name="muc_invite_confirm_reason">%2$s invites you to join conference %3$s: %4$s. Join from account %1$s?</string>
-    <!-- http://dl.dropbox.com/u/1029995/com.xabber.android/contact_list_conference_context_menu.png -->
     <string name="muc_leave">Leave conference</string>
-    <!-- http://dl.dropbox.com/u/1029995/com.xabber.android/conference_editor.png -->
     <string name="muc_save">Save conference</string>
 </resources>
\ No newline at end of file