Revert "boot_loader: load intel microcode update data file"

This reverts commit a732059324.

It broke the build on most boot platforms (including EFI.)

headers/private/kernel/boot/arch/x86/arch_cpu.h

@@ -21,9 +21,4 @@ void calculate_cpu_conversion_factor(uint8 channel);
 }
 #endif
 
-#include <boot/vfs.h>
-
-void ucode_load(BootVolume& volume);
-
-
 #endif	/* BOOT_ARCH_CPU_H */

headers/private/kernel/boot/platform.h

@@ -43,7 +43,6 @@ extern void platform_switch_to_logo(void);
 extern void platform_switch_to_text_mode(void);
 extern void platform_start_kernel(void);
 extern void platform_exit(void);
-extern void platform_load_ucode(BootVolume& volume);
 
 #ifdef __cplusplus
 }