Remove redundant styles

ui/src/style/components/threesizer.scss

@@ -189,131 +189,6 @@ $threesizer-shadow-stop: fade-out($g0-obsidian, 1);
   margin-top: 10px;
 }
 
-.dash-graph-context--button {
-  width: 24px;
-  height: 24px;
-  border-radius: 3px;
-  font-size: 12px;
-  position: relative;
-  color: $g11-sidewalk;
-  margin-right: 2px;
-  transition: color 0.25s ease, background-color 0.25s ease;
-  &:hover,
-  &.active {
-    cursor: pointer;
-    color: $g20-white;
-    background-color: $g5-pepper;
-  }
-  &:last-child {
-    margin-right: 0;
-  }
-  >.icon {
-    position: absolute;
-    top: 50%;
-    left: 50%;
-    transform: translate(-50%, -50%);
-  }
-  &.active {
-    position: relative;
-    z-index: 20;
-  }
-}
-
-.dash-graph-context--menu,
-.dash-graph-context--menu.default {
-  z-index: 3;
-  position: absolute;
-  top: calc(100% + 8px);
-  left: 50%;
-  background-color: $g6-smoke;
-  transform: translateX(-50%);
-  border-radius: 3px;
-  display: flex;
-  flex-direction: column;
-  align-items: stretch;
-  justify-content: center;
-  &:before {
-    position: absolute;
-    content: '';
-    border: 6px solid transparent;
-    border-bottom-color: $g6-smoke;
-    left: 50%;
-    top: 0;
-    transform: translate(-50%, -100%);
-    transition: border-color 0.25s ease;
-  }
-  .dash-graph-context--menu-item {
-    @include no-user-select();
-    white-space: nowrap;
-    font-size: 12px;
-    font-weight: 700;
-    line-height: 26px;
-    height: 26px;
-    padding: 0 10px;
-    color: $g20-white;
-    transition: background-color 0.25s ease;
-    &:first-child {
-      border-top-left-radius: 3px;
-      border-top-right-radius: 3px;
-    }
-    &:last-child {
-      border-bottom-left-radius: 3px;
-      border-bottom-right-radius: 3px;
-    }
-    &:hover {
-      background-color: $g8-storm;
-      cursor: pointer;
-    }
-    &.disabled,
-    &.disabled:hover {
-      cursor: default;
-      background-color: transparent;
-      font-style: italic;
-      color: $g11-sidewalk;
-    }
-  }
-}
-
-.dash-graph-context--menu.primary {
-  background-color: $c-ocean;
-  &:before {
-    border-bottom-color: $c-ocean;
-  }
-  .dash-graph-context--menu-item:hover {
-    background-color: $c-pool;
-  }
-}
-
-.dash-graph-context--menu.warning {
-  background-color: $c-star;
-  &:before {
-    border-bottom-color: $c-star;
-  }
-  .dash-graph-context--menu-item:hover {
-    background-color: $c-comet;
-  }
-}
-
-.dash-graph-context--menu.success {
-  background-color: $c-rainforest;
-  &:before {
-    border-bottom-color: $c-rainforest;
-  }
-  .dash-graph-context--menu-item:hover {
-    background-color: $c-honeydew;
-  }
-}
-
-.dash-graph-context--menu.danger {
-  background-color: $c-curacao;
-  &:before {
-    border-bottom-color: $c-curacao;
-  }
-  .dash-graph-context--menu-item:hover {
-    background-color: $c-dreamsicle;
-  }
-}
-
 // Header Dropdown Menu
 .threesizer--menu {
   .dropdown-menu {