Removed the proposed Propel cookbook section

Author: javiereguiluz

cookbook/index.rst

@@ -19,7 +19,6 @@ The Cookbook
     form/index
     logging/index
     profiler/index
-    propel/index
     request/index
     routing/index
     security/index

cookbook/map.rst.inc

@@ -120,10 +120,6 @@
   * :doc:`/cookbook/profiler/matchers`
   * :doc:`/cookbook/profiler/storage`
 
-* :doc:`/cookbook/propel/index`
-
-  * :doc:`/cookbook/propel/propel`
-
 * :doc:`/cookbook/request/index`
 
   * :doc:`/cookbook/request/load_balancer_reverse_proxy`