Removed input div from markdown and heading cells

IPython/nbconvert/templates/html/basic.tpl

@@ -62,7 +62,6 b' In [{{ cell.prompt_number }}]:'
 
 {% block markdowncell scoped %}
 <div class="cell border-box-sizing text_cell rendered unselected">
-<div class="input">
 {{ self.empty_in_prompt() }}
 <div class="inner_cell">
 <div class="text_cell_render border-box-sizing rendered_html">
@@ -70,12 +69,10 b' In&nbsp;[{{ cell.prompt_number }}]:'
 </div>
 </div>
 </div>
-</div>
 {%- endblock markdowncell %}
 
 {% block headingcell scoped %}
 <div class="cell border-box-sizing text_cell rendered unselected">
-<div class="input">
 {{ self.empty_in_prompt() }}
 <div class="inner_cell">
 <div class="text_cell_render border-box-sizing rendered_html">
@@ -83,7 +80,6 b' In&nbsp;[{{ cell.prompt_number }}]:'
 </div>
 </div>
 </div>
-</div>
 {% endblock headingcell %}
 
 {% block unknowncell scoped %}