[orca] Remove the note about multiple versions of Python from readme

[Joanmarie Diggs <joanied src gnome org>]

commit 2d2f86d27c7db13be17cf32848cb59d204f5611f
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Thu May 7 15:04:19 2020 -0400

    Remove the note about multiple versions of Python from readme
    
    This is an old note and seems to be confusing more users than it is
    helping.

 README.md | 14 --------------
 1 file changed, 14 deletions(-)
---
diff --git a/README.md b/README.md
index 721ddb0c9..3479ac802 100644
--- a/README.md
+++ b/README.md
@@ -42,20 +42,6 @@ Orca also has the following dependencies:
 YOU ALSO NEED THE LATEST AT-SPI2, PYATSPI2 AND ATK FOR THE GNOME 3.37.x
 RELEASES.  THEY CONTAIN VERY IMPORTANT BUG FIXES!
 
-> NOTE: If you have multiple versions of the Python interpreter installed
-on your machine, you should set the PYTHON environment variable when
-configuring Orca.  For example:
-
-```sh
-PYTHON=/usr/bin/python3.3 ./autogen.sh
-```
-
-or
-
-```sh
-PYTHON=/usr/bin/python3.3 ./configure
-```
-
 ## NOTE FOR BRLTTY USERS:
 
 Orca depends upon the Python bindings for BrlAPI available in BrlTTY v4.5