minor example program cleanup

examples/PYBV11/hello.py

@@ -6,7 +6,8 @@ hello.py
 
     https://youtu.be/OtcERmad5ps
 """
-import random, time
+
+import random
 from pyb import SPI, Pin
 import st7789
 

examples/TWATCH-2020/bitarray.py

@@ -125,10 +125,6 @@ def main():
         spi = SPI(
             2,
             baudrate=32000000,
-            polarity=1,
-            phase=0,
-            bits=8,
-            firstbit=0,
             sck=Pin(18, Pin.OUT),
             mosi=Pin(19, Pin.OUT))
 

examples/TWATCH-2020/fonts.py

@@ -27,10 +27,6 @@ def main():
         spi = SPI(
             2,
             baudrate=32000000,
-            polarity=1,
-            phase=0,
-            bits=8,
-            firstbit=0,
             sck=Pin(18),
             mosi=Pin(19))
 

examples/TWATCH-2020/hello.py

@@ -45,10 +45,6 @@ def main():
         spi = SPI(
             2,
             baudrate=32000000,
-            polarity=1,
-            phase=0,
-            bits=8,
-            firstbit=0,
             sck=Pin(18, Pin.OUT),
             mosi=Pin(19, Pin.OUT))
 

examples/TWATCH-2020/hershey.py

@@ -72,10 +72,6 @@ def main():
         spi = SPI(
             2,
             baudrate=32000000,
-            polarity=1,
-            phase=0,
-            bits=8,
-            firstbit=0,
             sck=Pin(18, Pin.OUT),
             mosi=Pin(19, Pin.OUT))
 

examples/TWATCH-2020/jpg/jpg.py

@@ -30,10 +30,6 @@ def main():
         spi = SPI(
             2,
             baudrate=32000000,
-            polarity=1,
-            phase=0,
-            bits=8,
-            firstbit=0,
             sck=Pin(18, Pin.OUT),
             mosi=Pin(19, Pin.OUT))
 

examples/TWATCH-2020/toasters/toasters.py

@@ -56,10 +56,6 @@ def main():
         spi = SPI(
             2,
             baudrate=32000000,
-            polarity=1,
-            phase=0,
-            bits=8,
-            firstbit=0,
             sck=Pin(18, Pin.OUT),
             mosi=Pin(19, Pin.OUT))