delete empty testoutput block

doc/extending/extending_theano.txt

@@ -427,6 +427,8 @@ You can try the new Op as follows:
 .. testoutput:: example
    :hide:
    :options: +ELLIPSIS, +SKIP
+   
+    <BLANKLINE>
 
 .. code-block:: none
 
@@ -458,6 +460,8 @@ You can try the new Op as follows:
    :hide:
    :options: +ELLIPSIS, +SKIP
 
+    <BLANKLINE>
+
 .. code-block:: none
 
     [[ 0.02443785  0.67833979  0.91954769  0.95444365]

doc/extending/using_params.txt

@@ -156,9 +156,6 @@ the params type.
            return ("%(z)s = %(x)s * PyFloat_AsDouble(%(p)s);" %
                    dict(z=outputs[0], x=inputs[0], p=sub['params']))
 
-.. testoutput::
-   :hide:
-
 
 A more complex example
 ----------------------
@@ -225,5 +222,3 @@ weights.
            %(z)s = alpha_%(name)s * %(x)s + beta_%(name)s * %(y)s;
            """ % dict(name=name, z=outputs[0], x=inputs[0], y=inputs[1])
 
-.. testoutput::
-   :hide:

doc/tutorial/printing_drawing.txt

@@ -89,7 +89,7 @@ The post-compilation graph:
 
 >>> theano.printing.debugprint(predict)  # doctest: +NORMALIZE_WHITESPACE
 Elemwise{Composite{GT(scalar_sigmoid((-((-i0) - i1))), i2)}} [id A] ''   4
- |CGemv{inplace} [id B] ''   3
+ |Gemv{inplace} [id B] ''   3
  | |AllocEmpty{dtype='float64'} [id C] ''   2
  | | |Shape_i{0} [id D] ''   1
  | |   |x [id E]