Update page section heading to match style guide

- Removes partial border below section heading

Signed-off-by: Dixsie Wolmers <dixsie@ibm.com>
Change-Id: Ica98d171c16ebc694e0c8c816a161f94425a33b9
diff --git a/src/components/Global/PageSection.vue b/src/components/Global/PageSection.vue
index ddf204d..48bb8a1 100644
--- a/src/components/Global/PageSection.vue
+++ b/src/components/Global/PageSection.vue
@@ -29,7 +29,6 @@
     content: '';
     display: block;
     width: 100px;
-    border: 1px solid gray('300');
     margin-top: 10px;
   }
 }