Removing Busio from readme example

KeithTheEE · jposada202020 · web-flow · commit 28773c0c2717 · 2021-06-04T01:37:43.000-05:00
Co-authored-by: jposada202020 &lt;34255413+jposada202020@users.noreply.github.com&gt;
diff --git a/README.rst b/README.rst
@@ -64,7 +64,6 @@ Usage Example
 
     import time
     import board
-    import busio
     import adafruit_sgp40
 
     i2c = board.I2C()  # uses board.SCL and board.SDA
