[Devtools] Remove old code

third_party/WebKit/Source/devtools/front_end/network/NetworkLogView.js

Index: third_party/WebKit/Source/devtools/front_end/network/NetworkLogView.js
diff --git a/third_party/WebKit/Source/devtools/front_end/network/NetworkLogView.js b/third_party/WebKit/Source/devtools/front_end/network/NetworkLogView.js
index 5d428ae4e70916ef2a378ce0be6a95daaff08abd..8ccc296625b6e7d6c775c87b27bdfdb08e5c6eb5 100644
--- a/third_party/WebKit/Source/devtools/front_end/network/NetworkLogView.js
+++ b/third_party/WebKit/Source/devtools/front_end/network/NetworkLogView.js
@@ -45,8 +45,6 @@ Network.NetworkLogView = class extends UI.VBox {
 
     this._networkHideDataURLSetting = Common.settings.createSetting('networkHideDataURL', false);
     this._networkResourceTypeFiltersSetting = Common.settings.createSetting('networkResourceTypeFilters', {});
-    this._networkShowPrimaryLoadWaterfallSetting =
-        Common.settings.createSetting('networkShowPrimaryLoadWaterfall', false);
 
     this._filterBar = filterBar;
     this._progressBarContainer = progressBarContainer;
@@ -1675,9 +1673,6 @@ Network.NetworkLogView.HTTPSchemas = {
   'wss': true
 };
 
-Network.NetworkLogView._waterfallMinOvertime = 1;
-Network.NetworkLogView._waterfallMaxOvertime = 3;
-
 /** @enum {symbol} */
 Network.NetworkLogView.Events = {
   RequestSelected: Symbol('RequestSelected'),