Revert "Update OTA installer to understand SELinux filesystem labels"

This reverts commit 627eb30f73c29257acaeb6568f3da38880784f7c.

Bug: 10183961
Bug: 10186213
diff --git a/minzip/DirUtil.c b/minzip/DirUtil.c
index c120fa3..8dd5da1 100644
--- a/minzip/DirUtil.c
+++ b/minzip/DirUtil.c
@@ -23,7 +23,6 @@
 #include <errno.h>
 #include <dirent.h>
 #include <limits.h>
-#include <selinux/selinux.h>
 
 #include "DirUtil.h"
 
@@ -238,7 +237,7 @@
 
 int
 dirSetHierarchyPermissions(const char *path,
-        int uid, int gid, int dirMode, int fileMode, const char* secontext)
+        int uid, int gid, int dirMode, int fileMode)
 {
     struct stat st;
     if (lstat(path, &st)) {
@@ -256,10 +255,6 @@
         return -1;
     }
 
-    if ((secontext != NULL) && lsetfilecon(path, secontext) && (errno != ENOTSUP)) {
-        return -1;
-    }
-
     /* recurse over directory components */
     if (S_ISDIR(st.st_mode)) {
         DIR *dir = opendir(path);
@@ -276,7 +271,7 @@
 
             char dn[PATH_MAX];
             snprintf(dn, sizeof(dn), "%s/%s", path, de->d_name);
-            if (!dirSetHierarchyPermissions(dn, uid, gid, dirMode, fileMode, secontext)) {
+            if (!dirSetHierarchyPermissions(dn, uid, gid, dirMode, fileMode)) {
                 errno = 0;
             } else if (errno == 0) {
                 errno = -1;