Removed redundant css

- Removed the redundant css code for custom scrollbar 


Signed-off-by: Akhilender Bongirwar <112749383+akhilender-bongirwar@users.noreply.github.com>

docs/_sass/getnighthawk.scss

@@ -5533,7 +5533,7 @@ div.globalFooterCard.card-environment {
   display: grid;
   grid-template-columns: 1fr 1fr 1fr;
   grid-template-rows: auto;
-  margin: 2rem 0rem 12rem 0rem;
+  margin: 2rem 0rem;
   padding: 2rem 0rem;
   .card-item {
     display: flex;
@@ -5979,20 +5979,3 @@ div.globalFooterCard.card-environment {
 .accordion-button::after {
   margin-left: 10px !important;
 }
-
-/* Custom Scrollbar*/
-::-webkit-scrollbar{
-  width: 8px;
-}
-::-webkit-scrollbar-track {
-  background-color: #ffffff;
-}
-::-webkit-scrollbar-thumb {
-  background-color: #393E46;
-  border-radius: 12px;
-  box-shadow: inset 0 0 6px rgba(0,0,0,.3);
-  transition: background-color 0.3s ease;
-}
-::-webkit-scrollbar-thumb:hover {
-  background: #555b66;
-}