🔨 Simpler distinct firmware rename (#25957)

buildroot/share/PlatformIO/scripts/offset_and_rename.py

@@ -60,6 +60,7 @@ if pioutil.is_pio_build():
 
         def rename_target(source, target, env):
             from pathlib import Path
-            Path(target[0].path).replace(Path(target[0].dir.path, new_name))
+            from datetime import datetime
+            Path(target[0].path).replace(Path(target[0].dir.path, datetime.now().strftime(new_name.replace('{date}', '%Y%m%d').replace('{time}', '%H%M%S'))))
 
         marlin.add_post_action(rename_target)

buildroot/share/PlatformIO/scripts/random-bin.py

@@ -1,9 +0,0 @@
-#
-# random-bin.py
-# Set a unique firmware name based on current date and time
-#
-import pioutil
-if pioutil.is_pio_build():
-    from datetime import datetime
-    Import("env")
-    env['PROGNAME'] = datetime.now().strftime("firmware-%Y%m%d-%H%M%S")