Revert "Added transition to theme switch."

This reverts commit 5d467622f4.

assets/components/header/filter-bar.vue

@@ -175,7 +175,6 @@ export default {
     z-index: 1;
     font-size: 0;
     box-shadow: 0 0 3px var(--darken);
-    transition: background var(--theme-transition);
 
     .icon {
         fill: var(--shadow);
@@ -206,7 +205,6 @@ export default {
     box-shadow: 0 0 2px var(--shadow-weak);
     font-size: .8rem;
     font-weight: bold;
-    transition: background var(--theme-transition), color var(--theme-transition);
 
     &:hover {
         color: var(--text);

assets/components/header/filters.vue

@@ -124,7 +124,6 @@ export default {
     font-size: .9rem;
     font-weight: bold;
     cursor: pointer;
-    transition: color var(--theme-transition);
 
     .check {
         display: none;

assets/components/header/header.vue

@@ -185,7 +185,6 @@ export default {
     color: var(--primary);
     box-shadow: 0 1px 0 var(--darken-hint);
     font-size: 0;
-    transition: background var(--theme-transition);
 }
 
 .header-nav {
@@ -254,7 +253,6 @@ export default {
     font-size: .9rem;
     font-weight: bold;
     cursor: pointer;
-    transition: color var(--theme-transition);
 
     &.active {
         color: var(--primary);

assets/components/header/search.vue

@@ -93,11 +93,9 @@ export default {
     outline: none;
     font-size: 1rem;
     outline: none;
-    transition: background var(--theme-transition), color var(--theme-transition);
 
     &::placeholder {
         color: var(--shadow);
-        transition: color var(--theme-transition);
     }
 
     &::-webkit-search-cancel-button {