Remove pref as Bug 1420777 is finally fixed

assets/prefs.js

@@ -18,9 +18,6 @@ lockPref("xpinstall.signatures.required", false);
 pref("browser.urlbar.update2.engineAliasRefresh", true); // No clue why this needs both pref and lockPref but here we are
 lockPref("browser.urlbar.update2.engineAliasRefresh", true);
 
-// Workaround for https://bugzilla.mozilla.org/show_bug.cgi?id=1420777
-lockPref("network.http.http2.coalesce-hostnames", false);
-
 // ads & annoyances
 pref("extensions.getAddons.showPane", false); // No clue why this needs both pref and lockPref but here we are
 lockPref("extensions.getAddons.showPane", false);

patches/0005-shortcuts.patch

@@ -83,7 +83,7 @@ index d08984b796330..3b32785b3b3cc 100644
      <command id="cmd_toggleMute" oncommand="gBrowser.toggleMuteAudioOnMultiSelectedTabs(gBrowser.selectedTab)"/>
      <command id="cmd_CustomizeToolbars" oncommand="gCustomizeMode.enter()"/>
 @@ -75,8 +75,8 @@
-     <command id="Browser:ReloadSkipCache" oncommand="BrowserReloadSkipCache()" disabled="true">
+     <command id="Browser:ReloadSkipCache" oncommand="BrowserCommands.reloadSkipCache()" disabled="true">
        <observes element="Browser:Reload" attribute="disabled"/>
      </command>
 -    <command id="Browser:NextTab" oncommand="gBrowser.tabContainer.advanceSelectedTab(1, true);"/>