Fix scss-lint error NestingDepth.

src/styles/components/_buddylist.scss

@@ -301,10 +301,8 @@
       visibility: hidden;
     }
 
-    &:hover {
-      .btn-group {
-        visibility: visible;
-      }
+    &:hover .btn-group {
+      visibility: visible;
     }
   }
 

src/styles/components/_buddypictureupload.scss

@@ -52,10 +52,10 @@
 
     &.imgData {
       background-color: #000;
+    }
 
-      .chooseUploadPicture {
-        display: none;
-      }
+    &.imgData .chooseUploadPicture {
+      display: none;
     }
 
     .chooseUploadPicture {

src/styles/global/_pages.scss

@@ -113,12 +113,12 @@
     a {
       display: inline-block;
       margin-right: .5em;
+    }
 
-      &:hover {
-        text-decoration: none;
-      }
-
+    a:hover {
+      text-decoration: none;
     }
+
   }
 
 }