No longer label patchoat binaries in file_contexts.

The patchoat program has been removed from Android in
https://android-review.googlesource.com/c/platform/art/+/774905.

Test: n/a
Bug: 77856493
Change-Id: Icf6ed2e5671d20f57dff94a55bedfb035cfc0ee7
diff --git a/private/file_contexts b/private/file_contexts
index f81f399..ac0a083 100644
--- a/private/file_contexts
+++ b/private/file_contexts
@@ -280,8 +280,6 @@
 /system/bin/install-recovery\.sh u:object_r:install_recovery_exec:s0
 /system/bin/dex2oat(d)?     u:object_r:dex2oat_exec:s0
 /system/bin/dexoptanalyzer(d)?     u:object_r:dexoptanalyzer_exec:s0
-# patchoat executable has (essentially) the same requirements as dex2oat.
-/system/bin/patchoat(d)?    u:object_r:dex2oat_exec:s0
 /system/bin/viewcompiler     u:object_r:viewcompiler_exec:s0
 /system/bin/profman(d)?     u:object_r:profman_exec:s0
 /system/bin/iorapd          u:object_r:iorapd_exec:s0