[FL-2937] Remove resources from API to prevent frequent API version increase (#1935)

* Remove all icons from API
* Music player: icons
* Signal generator: icons
* Bt hid: icons
* Weather station: icons
* Picopass: icons
* File browser test: icons
* Example images: documentation
* Remove global assets header
* Fix picopass

Co-authored-by: あく <alleteam@gmail.com>

applications/main/gpio/gpio_app_i.h

@@ -15,6 +15,7 @@
 #include <gui/modules/widget.h>
 #include "views/gpio_test.h"
 #include "views/gpio_usb_uart.h"
+#include <assets_icons.h>
 
 struct GpioApp {
     Gui* gui;