fix(theme): remove double padding from sidebar

closes #3228

Author: brc-dd

Diff for: src/client/theme-default/components/VPSidebar.vue

@@ -89,7 +89,6 @@ watch(
   .VPSidebar {
     z-index: 1;
     padding-top: var(--vp-nav-height);
-    padding-bottom: 128px;
     width: var(--vp-sidebar-width);
     max-width: 100%;
     background-color: var(--vp-sidebar-bg-color);