Removed extraneous "by" and unnecessary "especially" from cli.rst

docs/scenarios/cli.rst

@@ -50,8 +50,8 @@ Plac
 `Plac <https://pypi.python.org/pypi/plac>`_ is a simple wrapper
 over the Python standard library `argparse <http://docs.python.org/2/library/argparse.html>`_,
 which hides most of its complexity by using a declarative interface: the
-argument parser is inferred rather than written down by imperatively. This
-module targets especially unsophisticated users, programmers, sysadmins,
+argument parser is inferred rather than written down imperatively. This
+module targets unsophisticated users, programmers, sysadmins,
 scientists, and in general people writing throw-away scripts for themselves,
 who choose to create a command-line interface because it is quick and simple.