refactor(src/styles/window): remove unused CSS rules

src/styles/window/battery.css

@@ -1,17 +1,3 @@
-#battery-window {
-  background-color: @bg-a50;
-  border-radius: apply(radius-sm);
-}
-
-#battery-control-window {
-  margin: 6px;
-  background-color: @bg-a50;
-  border: 1px solid @outline-a30;
-  box-shadow: inset 0 0 200px 0 @outline-a30;
-  border-radius: apply(radius-sm);
-}
-
-
 #battery-widget {
   background: transparent;
   padding-left: 5px;
@@ -39,17 +25,8 @@
   margin: 8px 12px 4px 12px;
 }
 
-.battery-energy-item {
-  margin: 4px 12px;
-  padding: 4px 0;
-}
-
 .battery-status-section {
-  /* background: @fg-a06; */
-  /* border-radius: apply(radius-md); */
   padding: 2px;
-  /* margin: 8px 0; */
-  /* border: 1px solid @fg-a08; */
 }
 
 .battery-percentage {
@@ -86,10 +63,6 @@
   color: @fg-a70;
 }
 
-#energy-mode-icon.connected {
-  background-color: @primary;
-  color: @foreground;
-}
 .battery-power-source {
   font-size: apply(font-sm);
   margin-bottom: -4px;
@@ -146,7 +119,6 @@
   border-radius: apply(radius-sm);
   padding: 6px 12px;
   margin: 1px 0;
-  /* min-height: 36px; */
 }
 
 #game-mode-button-clickable:hover {

src/styles/window/osd.css

@@ -24,14 +24,3 @@
     background: var(--primary);
     transition: all apply(transition-slower) cubic-bezier(0.175, 0.885, 0.32, 1.275);
 }
-
-#osd-container.muted trough highlight,
-#osd-container.muted slider,
-#osd-container scale.muted trough highlight,
-#osd-container scale.muted slider {
-    background-color: var(--surface-bright);
-}
-
-#osd-image.muted {
-    color: var(--outline);
-}

src/styles/window/panel.css

@@ -4,12 +4,6 @@
     transition: all 120ms ease-in-out;
 }
 
-#modules-left,
-#modules-right {
-    margin: 0 5px;
-    padding: 2px 0;
-}
-
 #panel-button:hover,
 #panel-button.active,
 #battery-button:hover,
@@ -18,8 +12,6 @@
 #network-button.active,
 #bt-button:hover,
 #bt-button.active,
-#tray-button:hover,
-#tray-button.active,
 #global-menu:hover,
 #global-menu.active,
 #workspaces>button:hover {
@@ -30,14 +22,12 @@
 #panel-button,
 #battery-button,
 #network-button,
-#bt-button,
-#tray-button {
+#bt-button {
     margin: 5px 0;
     padding: 0 2px;
     border-radius: apply(radius-sm);
 }
 
-#menubar label,
 #battery-label,
 #date-time {
     font-weight: 500;
@@ -90,8 +80,6 @@
 #network-button.active *,
 #bt-button:hover *,
 #bt-button.active *,
-#tray-button:hover *,
-#tray-button.active *,
 #global-menu:hover *,
 #global-menu.active *,
 #workspaces>button:hover * {