Remove extraneous meta tags from

charset already provided by sphinx_bootstrap
X-UA-Compatible not required by IE 10+
viewport prevents user resizing - accessibility no no

Author: ascholerChemeketa

runestone/common/project_template/_templates/plugin_layouts/sphinx_bootstrap/layout.html

@@ -229,9 +229,6 @@
 {% endmacro %}
 
 {%- block extrahead %}
-<meta charset='utf-8'>
-<meta http-equiv='X-UA-Compatible' content='IE=edge,chrome=1'>
-<meta content='width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0' name='viewport' />
 <link rel="shortcut icon" href="/{{appname}}/static/favicon.ico" type="image/ico" />
 
 <script type="text/javascript">