Remove deprecated things from hashing modules

Signed-off-by: TRodziewicz <tomasz.rodziewicz@mobica.com>
diff --git a/include/mbedtls/md.h b/include/mbedtls/md.h
index e4354ba..2d08195 100644
--- a/include/mbedtls/md.h
+++ b/include/mbedtls/md.h
@@ -38,6 +38,8 @@
 #define MBEDTLS_ERR_MD_ALLOC_FAILED                       -0x5180  /**< Failed to allocate memory. */
 #define MBEDTLS_ERR_MD_FILE_IO_ERROR                      -0x5200  /**< Opening or reading of file failed. */
 
+// TODO [TR] for #4029: can't remove it because it's still used in the code.
+// see the other TODOs
 /* MBEDTLS_ERR_MD_HW_ACCEL_FAILED is deprecated and should not be used. */
 #define MBEDTLS_ERR_MD_HW_ACCEL_FAILED                    -0x5280  /**< MD hardware accelerator failed. */
 
@@ -158,33 +160,6 @@
  */
 void mbedtls_md_free( mbedtls_md_context_t *ctx );
 
-#if ! defined(MBEDTLS_DEPRECATED_REMOVED)
-#if defined(MBEDTLS_DEPRECATED_WARNING)
-#define MBEDTLS_DEPRECATED    __attribute__((deprecated))
-#else
-#define MBEDTLS_DEPRECATED
-#endif
-/**
- * \brief           This function selects the message digest algorithm to use,
- *                  and allocates internal structures.
- *
- *                  It should be called after mbedtls_md_init() or mbedtls_md_free().
- *                  Makes it necessary to call mbedtls_md_free() later.
- *
- * \deprecated      Superseded by mbedtls_md_setup() in 2.0.0
- *
- * \param ctx       The context to set up.
- * \param md_info   The information structure of the message-digest algorithm
- *                  to use.
- *
- * \return          \c 0 on success.
- * \return          #MBEDTLS_ERR_MD_BAD_INPUT_DATA on parameter-verification
- *                  failure.
- * \return          #MBEDTLS_ERR_MD_ALLOC_FAILED on memory-allocation failure.
- */
-int mbedtls_md_init_ctx( mbedtls_md_context_t *ctx, const mbedtls_md_info_t *md_info ) MBEDTLS_DEPRECATED;
-#undef MBEDTLS_DEPRECATED
-#endif /* MBEDTLS_DEPRECATED_REMOVED */
 
 /**
  * \brief           This function selects the message digest algorithm to use,