mbedtls: remove usless define MBEDTLS_SSL_MAX_CONTENT_LEN

  This define has no effect since it has been substituted with MBEDTLS_SSL_IN_CONTENT_LEN and MBEDTLS_SSL_OUT_CONTENT_LEN

Author: pennam

extras/tls/config-c33.h

@@ -119,7 +119,6 @@
 
 /* Reduce RAM usage */
 #define MBEDTLS_ECP_FIXED_POINT_OPTIM 0         /* To reduce peak memory usage */
-#define MBEDTLS_SSL_MAX_CONTENT_LEN (1024 * 10) /* Reduce SSL frame buffer. */
 #define MBEDTLS_MPI_WINDOW_SIZE 1
 #define MBEDTLS_ECP_WINDOW_SIZE 2
 #define MBEDTLS_MPI_MAX_SIZE 512                /* Maximum number of bytes for usable MPIs. */