Revert "[crypto/tests] Add crt sections to export size"

This reverts commit 8755f09.

Signed-off-by: Siemen Dhooghe <sdhooghe@google.com>

Author: siemen11

sw/device/tests/crypto/otcrypto_export_size.c

@@ -4,11 +4,5 @@
 
 #include "sw/device/tests/crypto/otcrypto_interface.h"
 
-// Only here for coverage reporting.
-// Satisfy bare_metal_start.S so the linker doesn't crash.
-// These don't need to actually initialize RAM.
-void crt_section_copy(void) {}
-void crt_section_clear(void) {}
-
 // Simple main function so the linker doesn't discard the inerface struct.
 void bare_metal_main(void) { (void)otcrypto; }