delete old key

targets/stm32l432/src/attestation.c

@@ -94,8 +94,6 @@ const uint8_t attestation_cert_der[] =
 "\xf3\x87\x61\x82\xd8\xcd\x48\xfc\x57"
 ;
 
-const uint8_t attestation_key[] = "\x1b\x26\x26\xec\xc8\xf6\x9b\x0f\x69\xe3\x4f\xb2\x36\xd7\x64\x66\xba\x12\xac\x16\xc3\xab\x57\x50\xba\x06\x4e\x8b\x90\xe0\x24\x48";
-
 #endif
 
 const uint16_t attestation_cert_der_size = sizeof(attestation_cert_der)-1;