qtouch: Remove binding layer and unused header file

The qtouch configurator has changed the default output to not use the
binding layer. Let's remove it to be more in sync with the configurator.
No functionality is lost. All changes come from the new templates.

Author: NickeZ

external/CMakeLists.txt

@@ -154,7 +154,6 @@ if(CMAKE_CROSSCOMPILING)
 set_property(TARGET asf4-drivers PROPERTY INTERFACE_LINK_LIBRARIES "")
 
   find_library(QTOUCHLIB_A qtm_acq_samd51_0x000f PATHS asf4-drivers/qtouch/lib/gcc NO_CMAKE_FIND_ROOT_PATH)
-  find_library(QTOUCHLIB_B qtm_binding_layer_cm4_0x0005 PATHS asf4-drivers/qtouch/lib/gcc NO_CMAKE_FIND_ROOT_PATH)
   find_library(QTOUCHLIB_T qtm_touch_key_cm4_0x0002 PATHS asf4-drivers/qtouch/lib/gcc NO_CMAKE_FIND_ROOT_PATH)
 
   add_library(cryptoauthlib

external/asf4-drivers/qtouch/include/qtm_binding_layer_0x0005_api.h

@@ -32,11 +32,9 @@ extern "C" {
 
 #include "hal_timer.h"
 
-#include "qtm_common_components_api.h"
-#include "qtm_binding_layer_0x0005_api.h"
 #include "qtm_acq_samd51_0x000f_api.h"
+#include "qtm_common_components_api.h"
 #include "qtm_touch_key_0x0002_api.h"
-#include "qtm_scroller_0x000b_api.h"
 
 /*----------------------------------------------------------------------------
  *   prototypes