clean all qobject json code

qemu/header_gen.py

@@ -1966,19 +1966,6 @@ symbols = (
     'iwmmxt_store_reg',
     '__jit_debug_descriptor',
     '__jit_debug_register_code',
-    'json_lexer',
-    'json_lexer_destroy',
-    'json_lexer_feed',
-    'json_lexer_feed_char',
-    'json_lexer_flush',
-    'json_lexer_init',
-    'json_message_parser_destroy',
-    'json_message_parser_feed',
-    'json_message_parser_flush',
-    'json_message_parser_init',
-    'json_message_process_token',
-    'json_parser_parse',
-    'json_parser_parse_err',
     'kvm_to_cpreg_id',
     'last_ram_offset',
     'ldl_be_p',
@@ -2121,7 +2108,6 @@ symbols = (
     'mktimegm',
     'module_call_init',
     'module_load',
-    'mod_utf8_codepoint',
     'mpidr_cp_reginfo',
     'mpidr_read',
     'msr_mask',
@@ -2235,7 +2221,6 @@ symbols = (
     'parse_array',
     'parse_error',
     'parse_escape',
-    'parse_json',
     'parse_keyword',
     'parse_literal',
     'parse_object',
@@ -2544,12 +2529,6 @@ symbols = (
     'qmp_output_visitor_cleanup',
     'qmp_output_visitor_new',
     'qobject_decref',
-    'qobject_from_json',
-    'qobject_from_jsonf',
-    'qobject_from_jsonv',
-    'qobject_incref',
-    'qobject_to_json',
-    'qobject_to_json_pretty',
     'qobject_to_qbool',
     'qobject_to_qdict',
     'qobject_to_qfloat',
@@ -3027,9 +3006,6 @@ symbols = (
     'tlb_set_dirty1',
     'tlb_unprotect_code_phys',
     'tlb_vaddr_to_host',
-    'to_json',
-    'to_json_dict_iter',
-    'to_json_list_iter',
     'token_get_type',
     'token_get_value',
     'token_is_escape',
@@ -3110,7 +3086,6 @@ symbols = (
     'vmsa_ttbcr_reset',
     'vmsa_ttbcr_write',
     'vmsa_ttbr_write',
-    'wchar_to_utf8',
     'write_cpustate_to_list',
     'write_list_to_cpustate',
     'write_raw_cp_reg',