library: check_config: remove references to secp192 curves

Support for these curves is being removed from tf-psa-crypto, so we need
to remove all the references also in this repo.

Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>

library/mbedtls_check_config.h

diff --git a/library/mbedtls_check_config.h b/library/mbedtls_check_config.h
index 3107c11..855e4e3 100644
--- a/library/mbedtls_check_config.h
+++ b/library/mbedtls_check_config.h
@@ -42,9 +42,7 @@
     defined(MBEDTLS_PSA_ACCEL_ECC_BRAINPOOL_P_R1_512) || \
     defined(MBEDTLS_PSA_ACCEL_ECC_MONTGOMERY_255) || \
     defined(MBEDTLS_PSA_ACCEL_ECC_MONTGOMERY_448) || \
-    defined(MBEDTLS_PSA_ACCEL_ECC_SECP_K1_192) || \
     defined(MBEDTLS_PSA_ACCEL_ECC_SECP_K1_256) || \
-    defined(MBEDTLS_PSA_ACCEL_ECC_SECP_R1_192) || \
     defined(MBEDTLS_PSA_ACCEL_ECC_SECP_R1_256) || \
     defined(MBEDTLS_PSA_ACCEL_ECC_SECP_R1_384) || \
     defined(MBEDTLS_PSA_ACCEL_ECC_SECP_R1_521)