innobase/data/data0data.c:
  Remove unused global variables
innobase/dict/dict0dict.c:
  Remove unused code
innobase/dict/dict0mem.c:
  Remove unnecessary function dict_mem_procedure_create()
innobase/include/dict0dict.h:
  Remove unused code related to stored procedures
innobase/include/dict0dict.ic:
  Remove unnecessary function dict_procedure_get()
innobase/include/dict0mem.h:
  Remove unnecessary code related to stored procedures
innobase/include/dict0types.h:
  Remove dict_proc_t, as procedures are not stored into database
innobase/include/pars0pars.h:
  Remove call_node_struct and references to dict_proc_t,
  as procedures are not stored into database or called by name
innobase/include/pars0sym.h:
  Remove procedure_def, as procedures are not stored into database
innobase/include/pars0types.h:
  Remove call_node_t, as procedures are not called by name