fix white space.

theano/compile/profilemode.py

@@ -557,4 +557,3 @@ def atexit_print_default_profile_mode():
 #Register atexit_print_default_profile_mode to have the summary of the
 #predefined mode PROFILE_MODE if it is used printed when the program terminate.
 atexit.register(atexit_print_default_profile_mode)
-