Clean some references to ete3.

Author: jordibc

doc/about.rst

@@ -54,6 +54,8 @@ Highlighted Tools Using ETE
 Related Links and Resources
 ---------------------------
 
+[//]: # (TODO: Clean up, since most are outdated and refer to ete3)
+
 - `A brief introduction to ETE
   <https://www.youtube.com/watch?v=7yfMwmaptf0&index=64&list=PLYx7XA2nY5Gcpabmu61kKcToLz0FapmHu>`_
   and its programmatic tree visualization features at the `SciPy

ete4/treeview/faces.py

@@ -195,8 +195,6 @@ def update_pixmap(self):
 class TextFace(Face):
     """Static text Face object
 
-    .. currentmodule:: ete3
-
     :param text:     Text to be drawn
     :param ftype:    Font type, e.g. Arial, Verdana, Courier
     :param fsize:    Font size, e.g. 10,12,6, (default=10)

ete4/treeview/main.py

@@ -482,14 +482,10 @@ def _leaf(node):
 
 def add_face_to_node(face, node, column, aligned=False, position="branch-right"):
     """
-    .. currentmodule:: ete3.treeview.faces
-
     Adds a Face to a given node.
 
     :argument face: A :class:`Face` instance
 
-    .. currentmodule:: ete3
-
     :argument node: a tree node instance (:class:`Tree`, :class:`PhyloTree`, etc.)
     :argument column: An integer number starting from 0
     :argument "branch-right" position: Possible values are