remove save_mime_headers switch that is useless in the ui

deltachat-ios/Controller/SettingsController.swift

@@ -20,7 +20,6 @@ internal final class SettingsViewController: QuickTableViewController {
     static let watchSentbox: Int = 4
     static let watchMvBox: Int = 5
     static let MvToMvbox: Int = 6
-    static let SaveMimeHeaders: Int = 7
     private typealias SVC = SettingsViewController
 
     override func viewDidLoad() {
@@ -134,9 +133,6 @@ internal final class SettingsViewController: QuickTableViewController {
                     SwitchRow(text: String.localized("pref_auto_folder_moves"),
                               switchValue: DcConfig.mvboxMove,
                               action: editCell(key: SVC.MvToMvbox)),
-                    SwitchRow(text: String.localized("save_mime_headers"),
-                              switchValue: DcConfig.saveMimeHeaders,
-                              action: editCell(key: SVC.SaveMimeHeaders))
                 ]
             ),
 
@@ -172,8 +168,6 @@ internal final class SettingsViewController: QuickTableViewController {
                     DcConfig.mvboxWatch = value
                 case SVC.MvToMvbox:
                     DcConfig.mvboxMove = value
-                case SVC.SaveMimeHeaders:
-                    DcConfig.saveMimeHeaders = value
                 default:
                     logger.info("unknown key", String(key))
                 }

deltachat-ios/DC/Wrapper.swift

@@ -253,11 +253,6 @@ class DcConfig {
         get { return getInt("show_emails") }
     }
 
-    class var saveMimeHeaders: Bool {
-        set { setBool("save_mime_headers", newValue) }
-        get { return getBool("save_mime_headers") }
-    }
-
     class var configuredEmail: String {
         return getOptStr("configured_addr") ?? ""
     }

deltachat-ios/en.lproj/Localizable.strings

@@ -651,7 +651,6 @@
 "display_name" = "Display Name";
 "status" = "Status";
 "configure_my_account" = "Configure my Account";
-"save_mime_headers" = "Save Mime Headers";
 "flags" = "Flags";
 "user_details" = "User Details";
 "danger" = "Danger";

tools/untranslated.xml

@@ -26,7 +26,6 @@
     <string name="display_name">Display Name</string>
     <string name="status">Status</string>
     <string name="configure_my_account">Configure my Account</string>
-    <string name="save_mime_headers">Save Mime Headers</string>
     <string name="flags">Flags</string>
     <string name="user_details">User Details</string>
     <string name="danger">Danger</string>