chore: Remove redundant SCSS file

[dmohns]

Removing (essentially) redundant file as everything is already covered in Website/ui/src/assets/sass/mpm/_sidebar-and-main-panel.scss

--- Website/ui/src/assets/sass/mpm/_sidebar.scss        2024-03-18 10:51:06
+++ Website/ui/src/assets/sass/mpm/_sidebar-and-main-panel.scss 2024-03-15 12:29:42
@@ -19,6 +19,7 @@
 
 .wrapper .sidebar,
 .wrapper .off-canvas-sidebar {
+    overflow: scroll;
     position: fixed;
     top: 0;
     bottom: 0;
@@ -65,6 +66,7 @@
         height: calc(100vh - 75px);
         overflow: auto;
         z-index: 4;
+        overflow-x: hidden;
 
         .dropdown .dropdown-backdrop {
             display: none !important;
@@ -259,7 +261,7 @@
         position: absolute;
         width: 100%;
         height: 100%;
-        background-color: rgba(27, 27, 27, 0.87);
+        /* background-color: rgba(27, 27, 27, 0.87);*/
         opacity: 0.85;
         top: 0;
         left: 0;
@@ -315,8 +317,9 @@
     @include transition(0.33s, cubic-bezier(0.685, 0.0473, 0.346, 1));
 
     > .content {
-        padding: 30px 15px;
+        padding: 1vh 0.5vw;
         min-height: calc(100vh - 123px);
+        overflow-y: hidden;
     }
 
     > .footer {
@@ -327,3 +330,14 @@
         margin-bottom: 0;
     }
 }
+
+// .sidebar,
+// .main-panel{
+//     -webkit-transition-property: top,bottom;
+//     transition-property: top,bottom;
+//     -webkit-transition-duration: .2s,.2s;
+//     transition-duration: .2s,.2s;
+//     -webkit-transition-timing-function: linear,linear;
+//     transition-timing-function: linear,linear;
+//     -webkit-overflow-scrolling: touch;
+// }