Revert "Introduce derive_classpath."

Revert submission 1602413-derive_classpath

Bug: 180105615
Fix: 183079517
Reason for revert: SELinux failure leading to *CLASSPATH variables not being set in all builds

Reverted Changes:
I6e3c64e7a:Introduce derive_classpath service.
I60c539a8f:Exec_start derive_classpath on post-fs-data.
I4150de69f:Introduce derive_classpath.

Change-Id: I17e2cd062d8fddc40250d00f02e40237ad62bd6a
diff --git a/apex/com.android.sdkext-file_contexts b/apex/com.android.sdkext-file_contexts
index 551a12c..2d59dda 100644
--- a/apex/com.android.sdkext-file_contexts
+++ b/apex/com.android.sdkext-file_contexts
@@ -1,3 +1,2 @@
-(/.*)?                       u:object_r:system_file:s0
-/bin/derive_classpath        u:object_r:derive_classpath_exec:s0
-/bin/derive_sdk              u:object_r:derive_sdk_exec:s0
+(/.*)?                u:object_r:system_file:s0
+/bin/derive_sdk       u:object_r:derive_sdk_exec:s0
diff --git a/private/derive_classpath.te b/private/derive_classpath.te
deleted file mode 100644
index 15f1973..0000000
--- a/private/derive_classpath.te
+++ /dev/null
@@ -1,9 +0,0 @@
-
-# Domain for derive_classpath
-type derive_classpath, domain, coredomain;
-type derive_classpath_exec, system_file_type, exec_type, file_type;
-init_daemon_domain(derive_classpath)
-
-# Create /data/system/environ/classpath file
-allow derive_classpath environ_system_data_file:dir rw_dir_perms;
-allow derive_classpath environ_system_data_file:file create_file_perms;
diff --git a/private/file.te b/private/file.te
index bd2849e..4b0f48a 100644
--- a/private/file.te
+++ b/private/file.te
@@ -50,6 +50,3 @@
 
 # /data/misc/odsign
 type odsign_data_file, file_type, data_file_type, core_data_file_type;
-
-# /data/system/environ
-type environ_system_data_file, file_type, data_file_type, core_data_file_type;
diff --git a/private/file_contexts b/private/file_contexts
index a6f4cd8..a4a0449 100644
--- a/private/file_contexts
+++ b/private/file_contexts
@@ -504,7 +504,6 @@
 #
 /data		u:object_r:system_data_root_file:s0
 /data/(.*)?		u:object_r:system_data_file:s0
-/data/system/environ(/.*)? u:object_r:environ_system_data_file:s0
 /data/system/packages\.list u:object_r:packages_list_file:s0
 /data/unencrypted(/.*)?         u:object_r:unencrypted_data_file:s0
 /data/backup(/.*)?		u:object_r:backup_data_file:s0