821 - removing a few headers and adjusting the tests to accept an empty string

app/templates/components/table.html

@@ -1,5 +1,5 @@
 {% macro mapping_table(caption='', field_headings=[], field_headings_visible=True, caption_visible=True, equal_length=False) -%}
-  <table class="usa-table usa-table--borderless">
+  <table class="usa-table usa-table--borderless width-full">
     <caption class="font-body-lg table-heading{{ ' usa-sr-only' if not caption_visible}}">
       {{ caption }}
     </caption>

app/templates/views/service-settings.html

@@ -14,7 +14,6 @@
 
       {% call mapping_table(
         caption='General',
-        field_headings=['Label', 'Value', 'Action'],
         field_headings_visible=False,
         caption_visible=False
       ) %}

app/templates/views/user-profile.html

@@ -13,7 +13,6 @@
   <div class="body-copy-table">
     {% call mapping_table(
       caption='Your profile',
-      field_headings=['Label', 'Value', 'Action'],
       field_headings_visible=False,
       caption_visible=False
     ) %}