code cleanup: deprecate bunch of old styles

These all have either better replacements or can be done without the style

chrome/deprecated/tabs_on_bottom_menubar_on_top_patch.css

@@ -0,0 +1,59 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/tabs_on_bottom_menubar_on_top_patch.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
+/* Menubar on top patch - use with tabs_on_bottom.css */
+/* Only really useful if menubar is ALWAYS visible */
+
+:root:not([sizemode="fullscreen"]){ --uc-window-control-width: 0px !important }
+
+:root{
+   /* height if native titlebar is enabled, assumes empty menubar */
+  --uc-menubar-height: 20px;
+}
+:root[tabsintitlebar]{
+  /* height when native titlebar is disabled, more roomy so can fit buttons etc. */
+  --uc-menubar-height: 29px;
+}
+:root:is([sizemode="fullscreen"],[chromehidden~="menubar"]){
+  --uc-menubar-height: 0px;
+}
+/* Since menubar is statically at top, remove fake drag-space that might be set by window_control_placeholder_support.css */
+:root:not([sizemode="fullscreen"]) #nav-bar{ border-inline-width: 0 }
+
+#navigator-toolbox{
+  -moz-window-dragging: drag;
+  padding-top: var(--uc-menubar-height) !important;
+}
+
+/* Remove window dragging from notification boxes */
+#tab-notification-deck,
+.global-notificationbox{
+  -moz-window-dragging: no-drag;
+}
+
+:root:not([chromehidden~="menubar"]) #toolbar-menubar{
+  position: fixed;
+  display: flex;
+  top: 0px;
+  height: var(--uc-menubar-height);
+  width: 100%;
+  overflow: hidden;
+}
+
+#toolbar-menubar > .titlebar-buttonbox-container{ height: 100%; order: 100; }
+
+#toolbar-menubar > [flex]{ flex-grow: 100; }
+#toolbar-menubar > spacer[flex]{
+  order: 99;
+  flex-grow: 1;
+  min-width: var(--uc-window-drag-space-post,20px);
+}
+
+#toolbar-menubar .toolbarbutton-1 { --toolbarbutton-inner-padding: 3px }
+
+:root:not([sizemode="fullscreen"]) #toolbar-menubar.browser-toolbar > .titlebar-buttonbox-container{
+  visibility: visible;
+}
+:root:not([chromehidden~="menubar"], [sizemode="fullscreen"]) #TabsToolbar#TabsToolbar#TabsToolbar > .titlebar-buttonbox-container {
+  display: none !important;
+}