fixed bug, remove hack

arduino/arduino-cli#2345

Author: ladyada

build_platform.py

@@ -159,12 +159,7 @@ def run_or_die(cmd, error):
 
 run_or_die("arduino-cli core update-index --additional-urls "+BSP_URLS+
            " > /dev/null", "FAILED to update core indices")
-##### HACK !!!!!!!!!!!!!!!!!!!
-# manual fix for megatinycore URL truncation issue
-# see: https://github.com/arduino/arduino-cli/issues/2345
-#      https://github.com/SpenceKonde/megaTinyCore/issues/1005
-os.system("mv ~/.arduino15/package_drazzy.json ~/.arduino15/package_drazzy.com_index.json")
-##### HACK !!!!!!!!!!!!!!!!!!!!
+
 print()
 
 ################################ Install dependencies