sepolicy: remove stray + in type statement

Change-Id: Ic34c9ae32658541064a63153612145c6fd3d55b3
diff --git a/sepolicy/file.te b/sepolicy/file.te
index ddf15b9..a9c992f 100644
--- a/sepolicy/file.te
+++ b/sepolicy/file.te
@@ -4,4 +4,4 @@
 type auditd_log, file_type;
 
 # Themes
-+type theme_data_file, file_type, data_file_type;
\ No newline at end of file
+type theme_data_file, file_type, data_file_type;