reword 'Contact Request' label to just 'Request'; remove superfluous untranslated string

deltachat-ios/View/ContactCell.swift

@@ -116,7 +116,7 @@ class ContactCell: UITableViewCell {
     }()
 
     private lazy var contactRequest: UIView = {
-        return createTagLabel(tag: String.localized("chat_contact_request"))
+        return createTagLabel(tag: String.localized("chat_request_label"))
     }()
 
     private let unreadMessageCounter: MessageCounter = {

scripts/untranslated.xml

@@ -12,5 +12,4 @@
     
     <string name="perm_ios_explain_access_to_camera_denied">To take photos, capture videos or use the QR-Code scanner, open the system settings and enable \"Camera\".</string>
     <string name="open_settings">Open Settings</string>
-    <string name="accept">Accept</string>
 </resources>