Furi: core refactoring and CMSIS removal part 2 (#1410)

* Furi: rename and move core
* Furi: drop CMSIS_OS header and unused api, partially refactor and cleanup the rest
* Furi: CMSIS_OS drop and refactoring.
* Furi: refactoring, remove cmsis legacy
* Furi: fix incorrect assert on queue deallocation, cleanup timer
* Furi: improve delay api, get rid of floats
* hal: dropped furi_hal_crc
* Furi: move DWT based delay to cortex HAL
* Furi: update core documentation

Co-authored-by: hedger <hedger@nanode.su>

applications/desktop/helpers/slideshow.c

@@ -4,7 +4,7 @@
 #include <storage/storage.h>
 #include <gui/icon.h>
 #include <gui/icon_i.h>
-#include <furi/dangerous_defines.h>
+#include <core/dangerous_defines.h>
 
 #define SLIDESHOW_MAGIC 0x72676468
 #define SLIDESHOW_MAX_SUPPORTED_VERSION 1
@@ -118,4 +118,4 @@ void slideshow_draw(Slideshow* slideshow, Canvas* canvas, uint8_t x, uint8_t y)
         slideshow->icon.width,
         slideshow->icon.height,
         slideshow->icon.frames[slideshow->current_frame]);
-}
+}