Deleting the counterpart of the dict in the templates.

IPython/nbconvert/templates/reveal_internals/subslides.tpl

@@ -1,14 +1,14 b''
-{%- extends 'reveal_internals/align_reveal_cells.tpl' -%}
+{%- extends 'reveal_internals/reveal_cells.tpl' -%}
 
 
 {%- block any_cell scoped -%}
 {%- if cell.metadata.slide_type in ['subslide'] -%}  
     <section>
 {%- endif -%}
     
     {{ super() }}
     
 {%- if cell.metadata.slide_helper in ['subslide_end'] -%}
     </section>
 {%- endif -%}
 {%- endblock any_cell -%}