Remove the old "long press on button" script

This didn't work properly, and the user should be able to go to the settings app to enable bootloader mode.

If that doesn't work, the hardware buttons are a foolproof method.

internal_filesystem/builtin/system/button.py

@@ -1,54 +0,0 @@
-print("button.py running")
-
-import lvgl as lv
-
-from machine import Pin, Timer
-import time
-import _thread
-
-from mpos.apps import Activity, ActivityNavigator, Intent
-from mpos.bootloader import ResetIntoBootloader
-
-# Configure IO0 as input with pull-up resistor
-button = Pin(0, Pin.IN, Pin.PULL_UP)
-
-# Variables for long press detection
-long_press_duration = 3000
-press_start_time = 0
-is_pressed = False
-
-# Timer for checking long press
-timer = Timer(-1)
-
-def on_long_press(t): # Callback for when long press duration is reached.
-    print("button.py: long press detected")
-    global timer
-    timer.deinit()  # Stop the timer
-    global is_pressed
-    if is_pressed and button.value() == 0:  # Ensure button is still pressed
-        #_thread.stack_size(mpos.apps.good_stack_size())
-        #_thread.start_new_thread(handle_long_press, ())
-        #lv.async_call(lambda l: handle_long_press(), None)
-        intent = Intent(activity_class=ResetIntoBootloader)
-        ActivityNavigator.startActivity(intent)
-    else:
-        is_pressed = False
-
-def button_handler(pin):
-    """Interrupt handler for button press and release."""
-    global press_start_time, is_pressed, timer
-    if button.value() == 0:  # Button pressed (LOW due to pull-up)
-        print("Button IO0 pressed")
-        press_start_time = time.ticks_ms()
-        is_pressed = True
-        # Start timer to check for long press after long_press_duration
-        timer.init(mode=Timer.ONE_SHOT, period=long_press_duration, callback=on_long_press)
-    else:  # Button released (HIGH)
-        print("Button IO0 released")
-        timer.deinit()  # Cancel timer if button is released early
-        is_pressed = False
-
-# Set up interrupt for both falling (press) and rising (release) edges
-button.irq(trigger=Pin.IRQ_FALLING | Pin.IRQ_RISING, handler=button_handler)
-
-print("button.py finished")

internal_filesystem/main.py

@@ -49,8 +49,6 @@ except Exception as e:
     # This will throw an exception if there is already a "/builtin" folder present
     print("main.py: WARNING: could not import/run freezefs_mount_builtin: ", e)
 
-mpos.apps.execute_script("builtin/system/button.py", True) # Install button handler through IRQ
-
 try:
     import mpos.wifi
     _thread.stack_size(mpos.apps.good_stack_size())