domain_deprecated.te: Delete system_data_file:dir rule

This rule is a duplicate of a rule already in domain.te.

Change-Id: I729e6d9ca9c99466f8c0fd1ab2f8449f889c71fa

domain_deprecated.te

@@ -31,7 +31,6 @@ allow domain_deprecated system_file:file r_file_perms;
 allow domain_deprecated system_file:lnk_file r_file_perms;
 
 # Read files already opened under /data.
-allow domain_deprecated system_data_file:dir { search getattr };
 allow domain_deprecated system_data_file:file { getattr read };
 allow domain_deprecated system_data_file:lnk_file r_file_perms;