toolbox: remove domain_deprecated attribute

No "granted" messages for the removed permissions observed in three
months of log audits.

Bug: 28760354
Change-Id: I2b45284893e150575992befeef48e1bd53a2fba2

toolbox.te

 # Any toolbox command run by init.
 # At present, the only known usage is for running mkswap via fs_mgr.
 # Do NOT use this domain for toolbox when run by any other domain.
-type toolbox, domain, domain_deprecated;
+type toolbox, domain;
 type toolbox_exec, exec_type, file_type;
 
 init_daemon_domain(toolbox)