Replace column-two-thirds with govuk-grid-column-two-thirds

app/templates/views/support/ask-question-give-feedback.html

@@ -15,7 +15,7 @@
       back_link=url_for('.support')
     ) }}
     <div class="govuk-grid-row">
-      <div class="column-two-thirds">
+      <div class="govuk-grid-column-two-thirds">
         {% call form_wrapper() %}
             {{ textbox(form.feedback, width='1-1', hint='', rows=10, autosize=True) }}
             {% if not current_user.is_authenticated %}

app/templates/views/support/bat-phone.html

@@ -12,7 +12,7 @@
       Out of hours emergencies
     </h1>
     <div class="govuk-grid-row">
-      <div class="column-two-thirds">
+      <div class="govuk-grid-column-two-thirds">
         <p>
           First, check the
           <a class="govuk-link govuk-link--no-visited-state" href="https://status.notifications.service.gov.uk">system status page</a>.

app/templates/views/support/index.html

@@ -10,7 +10,7 @@
 {% block maincolumn_content %}
 
 <div class="govuk-grid-row">
-  <div class="column-two-thirds">
+  <div class="govuk-grid-column-two-thirds">
 
     <h1 class="heading-large">Support</h1>
     <p>We provide 24-hour online support for teams with a live service on GOV.UK Notify.</p>

app/templates/views/support/report-problem.html

@@ -16,7 +16,7 @@
       back_link=url_for('.support')
     ) }}
     <div class="govuk-grid-row">
-      <div class="column-two-thirds">
+      <div class="govuk-grid-column-two-thirds">
         <div class="panel panel-border-wide">
           <p>
             Check our <a class="govuk-link govuk-link--no-visited-state" href="https://status.notifications.service.gov.uk">system status</a>

app/templates/views/support/triage.html

@@ -11,7 +11,7 @@
 {% block maincolumn_content %}
 
   <div class="govuk-grid-row">
-    <div class="column-two-thirds">
+    <div class="govuk-grid-column-two-thirds">
       {{ page_header(
         'Report a problem',
         back_link=url_for('.support')