Remove unused Python imports.

modules/denoise/resource_to_cpp.py

@@ -17,8 +17,6 @@
 ## ======================================================================== ##
 
 import os
-import sys
-import argparse
 from array import array
 
 # Generates a C++ file from the specified binary resource file

modules/mono/build_scripts/mono_configure.py

@@ -1,6 +1,5 @@
 import os
 import os.path
-import sys
 import subprocess
 
 from SCons.Script import Dir, Environment