Revert last two commits

Gah, nasty accident :-(

data/gnome-classic.css

@@ -1955,6 +1955,3 @@ StScrollBar {
 
 .calendar-day-with-events {
   background-image: url("calendar-today.svg"); }
-
-.message-list-clear-button.button {
-  color: #2e3436; }

data/gnome-classic.scss

@@ -86,7 +86,3 @@ $variant: 'light';
 .calendar-day-with-events {
   background-image: url("calendar-today.svg");
 }
-
-.message-list-clear-button.button {
-  color: $fg_color
-}

meson.build

@@ -37,6 +37,7 @@ uuid_suffix = '@gnome-shell-extensions.gcampax.github.com'
 classic_extensions = [
   'alternate-tab',
   'apps-menu',
+  'places-menu',
   'launch-new-instance',
   'window-list'
 ]