emails: don't use tag type for commit flow in pull-request type emails.

- they don't render nicely in small devices
- they are way off visually to all other elements of emails making it almost like a primary elements (which they aren't)

rhodecode/templates/email_templates/pull_request_comment.mako

@@ -167,9 +167,9 b' data = {'
     <tr>
         <td style="padding-right:20px;line-height:20px;">${_('Commit Flow')}:</td>
         <td style="line-height:20px;">
-            ${base.tag_button('{}:{}'.format(data['source_ref_type'], pull_request.source_ref_parts.name))} ${_('of')} ${data['source_repo_url']}
+            <code>${'{}:{}'.format(data['source_ref_type'], pull_request.source_ref_parts.name)}</code> ${_('of')} ${data['source_repo_url']}
             &rarr;
-            ${base.tag_button('{}:{}'.format(data['target_ref_type'], pull_request.target_ref_parts.name))} ${_('of')}  ${data['target_repo_url']}
+            <code>${'{}:{}'.format(data['target_ref_type'], pull_request.target_ref_parts.name)}</code> ${_('of')}  ${data['target_repo_url']}
         </td>
     </tr>
 

rhodecode/templates/email_templates/pull_request_review.mako

@@ -113,9 +113,9 b' data = {'
     <tr>
         <td style="padding-right:20px;line-height:20px;">${_('Commit Flow')}:</td>
         <td style="line-height:20px;">
-            ${base.tag_button('{}:{}'.format(data['source_ref_type'], pull_request.source_ref_parts.name))} ${_('of')} ${data['source_repo_url']}
+            <code>${'{}:{}'.format(data['source_ref_type'], pull_request.source_ref_parts.name)}</code> ${_('of')} ${data['source_repo_url']}
             &rarr;
-            ${base.tag_button('{}:{}'.format(data['target_ref_type'], pull_request.target_ref_parts.name))} ${_('of')}  ${data['target_repo_url']}
+            <code>${'{}:{}'.format(data['target_ref_type'], pull_request.target_ref_parts.name)}</code> ${_('of')}  ${data['target_repo_url']}
         </td>
     </tr>