Revert "LT-160: Create user accounts and require login for access by using active-entry package"

This reverts commit 3394b9ed64.

LesionTracker/activeEntry.js

@@ -12,7 +12,7 @@ if (Meteor.isClient){
             destination: '/worklist'
         },
         themeColors: {
-            primary: ""
+            primary: 'black'
         }
     });
 }