Removed traces of obsolete 'get_include'.

doc/c_cpp_api.rst

@@ -41,10 +41,6 @@ the import function:
 
    }
 
-.. note::
-
-  The include directory can be discovered using
-  :py:func:`bob.io.base.get_include`.
 
 Generic Functions
 -----------------

doc/py_api.rst

@@ -35,7 +35,3 @@ Functions
 .. autofunction:: bob.io.base.create_directories_save
 
 
-C++ API Helpers
----------------
-
-.. autofunction:: bob.io.base.get_include