Removing changelog in docstring

sympy/printing/pretty/stringpict.py

@@ -1,20 +1,4 @@
-"""Prettyprinter by Jurjen Bos.
-(I hate spammers: mail me at pietjepuk314 at the reverse of ku.oc.oohay).
-All objects have a method that create a "stringPict",
-that can be used in the str method for pretty printing.
-
-Updates by Jason Gedge (email <my last name> at cs mun ca)
-    - terminal_string() method
-    - minor fixes and changes (mostly to prettyForm)
-
-Updates by Juan Mauricio Matera (email <my last name> at ar_ude_plnu_acisif):
-    - support for align attribute in `left`, `right`, `above` and `below`
-      methods
-    - adding the v_align() method
-    - Methods `parens`, `left`, `right`, `above` and `below` now returns
-      objects of the caller object class.
-    - The method `root` now works.
-"""
+"""Prettyprinter by Jurjen Bos."""
 
 import shutil