🔨 Build scripts cleanup (#27157)

Co-authored-by: Scott Lahteine <thinkyhead@users.noreply.github.com>

buildroot/share/PlatformIO/scripts/chitu_crypt.py

@@ -4,9 +4,9 @@
 #
 import pioutil
 if pioutil.is_pio_build():
-    import struct,uuid,marlin
+    import struct, uuid, marlin
 
-    board = marlin.env.BoardConfig()
+    board = pioutil.env.BoardConfig()
 
     def calculate_crc(contents, seed):
         accumulating_xor_value = seed