Color cleanup 8 (#7108)

* $accent-color -> $accent

Signed-off-by: Šimon Brandner <simon.bra.ag@gmail.com>

* Remove $accent-bg-color

Signed-off-by: Šimon Brandner <simon.bra.ag@gmail.com>

* $notice-primary-color -> $alert

Signed-off-by: Šimon Brandner <simon.bra.ag@gmail.com>

* Remove $notice-primary-bg-color

Signed-off-by: Šimon Brandner <simon.bra.ag@gmail.com>

* Remove $accent-50pct

Signed-off-by: Šimon Brandner <simon.bra.ag@gmail.com>

* $warning-color -> $alert

Signed-off-by: Šimon Brandner <simon.bra.ag@gmail.com>

* Remove $accent-darker

Signed-off-by: Šimon Brandner <simon.bra.ag@gmail.com>

* Remove $orange-warning-color

Signed-off-by: Šimon Brandner <simon.bra.ag@gmail.com>

* Remove $warning-bg-color

Signed-off-by: Šimon Brandner <simon.bra.ag@gmail.com>

* Remove $info-bg-color

Signed-off-by: Šimon Brandner <simon.bra.ag@gmail.com>

res/css/views/voip/_DialPad.scss

@@ -50,7 +50,7 @@ limitations under the License.
 .mx_DialPad_dialButton {
     /* Always show the dial button in the center grid column */
     grid-column: 2;
-    background-color: $accent-color;
+    background-color: $accent;
 
     &::before {
         content: '';

res/css/views/voip/_DialPadContextMenu.scss

@@ -47,7 +47,7 @@ limitations under the License.
 }
 
 .mx_DialPadContextMenu_header:focus-within {
-    border-bottom: 1px solid $accent-color;
+    border-bottom: 1px solid $accent;
 }
 
 .mx_DialPadContextMenu_title {

res/css/views/voip/_DialPadModal.scss

@@ -35,7 +35,7 @@ limitations under the License.
 }
 
 .mx_DialPadModal_header:focus-within {
-    border-bottom: 1px solid $accent-color;
+    border-bottom: 1px solid $accent;
 }
 
 .mx_DialPadModal_title {

res/css/views/voip/_VideoFeed.scss

@@ -27,7 +27,7 @@ limitations under the License.
     }
 
     &.mx_VideoFeed_speaking {
-        border: $accent-color 2px solid;
+        border: $accent 2px solid;
 
         .mx_VideoFeed_video {
             border-radius: 0;