chore: minor cleanup and comments

src/Dfe.ContentSupport.Web.Node/styles/scss/print.scss

@@ -1,6 +1,6 @@
 @import "../../node_modules/govuk-frontend/dist/govuk/helpers/_typography.scss";
 
-//Append " (opens in tab)" to links with the appropriate class, so that we can _hide_ the text if printing
+//Append " (opens in new tab)" to links with the appropriate class, so that we can _hide_ the text if printing
 a.opens-in-new-tab::after {
   content: " (opens in new tab)";
   display: inline;
@@ -12,10 +12,6 @@ a.opens-in-new-tab::after {
     display: block !important;
   }
 
-  a.opens-in-new-tab::after {
-    content: "";
-  }
-
   //Hide hr elements where the sections between them have been hidden
   .govuk-\!-display-none-print + hr,
   hr + .govuk-\!-display-none-print,
@@ -32,6 +28,7 @@ a.opens-in-new-tab::after {
     margin-top: 10px;
   }
 
+  //Reduces padding between the page title/subtitle + main content
   main.govuk-main-wrapper#main-content {
     padding-top: 10px !important;
     padding-bottom: 10px !important;
@@ -57,10 +54,6 @@ a.opens-in-new-tab::after {
     &.dfe-header__link--service {
       color: black !important;
     }
-
-    &.opens-in-new-tab::after {
-      content: "";
-    }
   }
 
   //Make page full width