Remove __future__ dependency

MicroPython doesn't include __future__
To anyone still using Python 2.x, please switch to Python 3.x :)

Author: sfe-SparkFro

examples/qwiic_bme280_ex1.py

@@ -39,7 +39,6 @@
 # Example 1
 #
 
-from __future__ import print_function
 import qwiic_bme280
 import time
 import sys

examples/qwiic_bme280_ex4.py

@@ -39,7 +39,6 @@
 # Example 4 - port of the Arduino example 4
 #
 
-from __future__ import print_function
 import qwiic_bme280
 import time
 import sys

examples/qwiic_bme280_ex5.py

@@ -39,7 +39,6 @@
 # Example 5 - port of the Arduino example 5
 #
 
-from __future__ import print_function
 import qwiic_bme280
 import time
 import sys

qwiic_bme280.py

@@ -58,7 +58,6 @@
 """
 
 #-----------------------------------------------------------------------------
-from __future__ import print_function
 import math
 import time
 import qwiic_i2c