refactor: remove combined binary creation script and related configurations

platformio.ini

@@ -27,9 +27,7 @@ lib_deps =
     digitaldragon/SSLClient @ ^1.3.2
     
 ; Enable SPIFFS upload
-board_build.partitions = partitions.csv
 board_build.filesystem = spiffs
-board_upload.flash_size = 4MB
 board_build.spiffs_create = yes
 board_build.spiffs.partition = 2M
 board_build.spiffs.upload_size = 2M
@@ -44,14 +42,3 @@ build_flags =
 extra_scripts = 
     pre:gzip_files.py
     pre:extra_script.py
-    post:$PROJECT_DIR/create_combined_binary.py
-
-# Add custom target for combining binaries
-custom_targets = 
-    combine_binaries
-
-# Define the build sequence
-targets = 
-    buildfs     # Build SPIFFS image
-    buildprog   # Build firmware
-    #combine_binaries  # Combine both binaries