Revert of Add bitrate section to settings view controller.

webrtc/examples/objc/AppRTCMobile/ios/ARDSettingsViewController.m

Index: webrtc/examples/objc/AppRTCMobile/ios/ARDSettingsViewController.m
diff --git a/webrtc/examples/objc/AppRTCMobile/ios/ARDSettingsViewController.m b/webrtc/examples/objc/AppRTCMobile/ios/ARDSettingsViewController.m
index b1862fda5596999310aab66cbcd905db7c213ad1..1df98926732bb45d8d89e50e54406a6469ad8059 100644
--- a/webrtc/examples/objc/AppRTCMobile/ios/ARDSettingsViewController.m
+++ b/webrtc/examples/objc/AppRTCMobile/ios/ARDSettingsViewController.m
@@ -12,12 +12,6 @@
 #import "ARDMediaConstraintsModel.h"
 
 NS_ASSUME_NONNULL_BEGIN
-
-typedef NS_ENUM(int, ARDSettingsSections) {
-  ARDSettingsSectionMediaConstraints = 0,
-  ARDSettingsSectionBitRate
-};
-
 @interface ARDSettingsViewController () {
   ARDMediaConstraintsModel *_mediaConstraintsModel;
 }
@@ -85,47 +79,28 @@
 #pragma mark - Table view data source
 
 - (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
-  return 2;
+  return 1;
 }
 
 - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
-  if ([self sectionIsMediaConstraints:section]) {
-    return self.mediaConstraintsArray.count;
-  }
-
-  return 1;
+  return self.mediaConstraintsArray.count;
 }
 
-#pragma mark - Index path helpers
+#pragma mark - Table view delegate
 
 - (BOOL)sectionIsMediaConstraints:(int)section {
-  return section == ARDSettingsSectionMediaConstraints;
-}
-
-- (BOOL)sectionIsBitrate:(int)section {
-  return section == ARDSettingsSectionBitRate;
+  return section == 0;
 }
 
 - (BOOL)indexPathIsMediaConstraints:(NSIndexPath *)indexPath {
   return [self sectionIsMediaConstraints:indexPath.section];
 }
 
-- (BOOL)indexPathIsBitrate:(NSIndexPath *)indexPath {
-  return [self sectionIsBitrate:indexPath.section];
-}
-
-#pragma mark - Table view delegate
-
 - (nullable NSString *)tableView:(UITableView *)tableView
          titleForHeaderInSection:(NSInteger)section {
   if ([self sectionIsMediaConstraints:section]) {
     return @"Media constraints";
   }
-
-  if ([self sectionIsBitrate:section]) {
-    return @"Maximum bitrate";
-  }
-
   return @"";
 }
 
@@ -134,11 +109,6 @@
   if ([self indexPathIsMediaConstraints:indexPath]) {
     return [self mediaConstraintsTableViewCellForTableView:tableView atIndexPath:indexPath];
   }
-
-  if ([self indexPathIsBitrate:indexPath]) {
-    return [self bitrateTableViewCellForTableView:tableView atIndexPath:indexPath];
-  }
-
   return [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault
                                 reuseIdentifier:@"identifier"];
 }
@@ -188,44 +158,5 @@
   return indexPath;
 }
 
-#pragma mark - Table view delegate(Bitrate)
-
-- (UITableViewCell *)bitrateTableViewCellForTableView:(UITableView *)tableView
-                                          atIndexPath:(NSIndexPath *)indexPath {
-  NSString *dequeueIdentifier = @"ARDSettingsBitrateCellIdentifier";
-  UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:dequeueIdentifier];
-  if (!cell) {
-    cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault
-                                  reuseIdentifier:dequeueIdentifier];
-
-    UITextField *textField = [[UITextField alloc]
-        initWithFrame:CGRectMake(10, 0, cell.bounds.size.width - 20, cell.bounds.size.height)];
-    textField.placeholder = @"Enter max bit rate (kbps)";
-    textField.keyboardType = UIKeyboardTypeASCIICapableNumberPad;
-
-    // Numerical keyboards have no return button, we need to add one manually.
-    UIToolbar *numberToolbar =
-        [[UIToolbar alloc] initWithFrame:CGRectMake(0, 0, self.view.bounds.size.width, 50)];
-    numberToolbar.items = @[
-      [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFlexibleSpace
-                                                    target:nil
-                                                    action:nil],
-      [[UIBarButtonItem alloc] initWithTitle:@"Apply"
-                                       style:UIBarButtonItemStyleDone
-                                      target:self
-                                      action:@selector(numberTextFieldDidEndEditing:)]
-    ];
-    [numberToolbar sizeToFit];
-
-    textField.inputAccessoryView = numberToolbar;
-    [cell addSubview:textField];
-  }
-  return cell;
-}
-
-- (void)numberTextFieldDidEndEditing:(id)sender {
-  [self.view endEditing:YES];
-}
-
 @end
 NS_ASSUME_NONNULL_END