net/nanocoap: remove unused function

sys/include/net/nanocoap.h

@@ -949,19 +949,6 @@ static inline size_t coap_opt_put_block2(uint8_t *buf, uint16_t lastonum,
 size_t coap_opt_put_uint(uint8_t *buf, uint16_t lastonum, uint16_t onum,
                          uint32_t value);
 
-/**
- * @brief   Insert block option into buffer from block struct
- *
- * @param[in]   buf         buffer to write to
- * @param[in]   lastonum    last option number (must be < @p option)
- * @param[in]   block       block option attribute struct
- * @param[in]   option      option number (block1 or block2)
- *
- * @returns     amount of bytes written to @p buf
- */
-size_t coap_opt_put_block_object(uint8_t *buf, uint16_t lastonum,
-                                 coap_block1_t *block, uint16_t option);
-
 /**
  * @brief   Insert block1 option into buffer in control usage
  *

sys/net/application_layer/nanocoap/nanocoap.c

@@ -643,15 +643,6 @@ size_t coap_opt_put_block(uint8_t *buf, uint16_t lastonum, coap_block_slicer_t *
     return coap_opt_put_uint(buf, lastonum, option, _slicer2blkopt(slicer, more));
 }
 
-size_t coap_opt_put_block_object(uint8_t *buf, uint16_t lastonum,
-                                 coap_block1_t *block, uint16_t option)
-{
-    uint32_t blkopt = (block->blknum << 4) | block->szx | (block->more ? 0x8 : 0);
-    size_t olen = _encode_uint(&blkopt);
-
-    return coap_put_option(buf, lastonum, option, (uint8_t *)&blkopt, olen);
-}
-
 size_t coap_opt_put_string(uint8_t *buf, uint16_t lastonum, uint16_t optnum,
                            const char *string, char separator)
 {