Revert "Add ability to declare licenses in soong."

Revert submission 1377717-metalics

Reason for revert: This has broken renderscript_mac target for aosp-master, see b/176909442

Reverted Changes:
I26ac54ca9:Define the standard license_kind rules.
I656486070:Export soong license data to make.
If9d661dfc:Export soong license data to make.
I97943de53:Add ability to declare licenses in soong.
Icaff40171:Rough-in license metadata support to make.
Ib8e538bd0:Add variables for notice deps, license kinds etc.

Change-Id: Iddf5468e0175831ddb642011f2768f87a5e4fcf2

android/Android.bp

@@ -30,9 +30,6 @@ bootstrap_go_package {
         "filegroup.go",
         "hooks.go",
         "image.go",
-        "license.go",
-        "license_kind.go",
-        "licenses.go",
         "makefile_goal.go",
         "makevars.go",
         "metrics.go",
@@ -80,9 +77,6 @@ bootstrap_go_package {
         "depset_test.go",
         "deptag_test.go",
         "expand_test.go",
-        "license_kind_test.go",
-        "license_test.go",
-        "licenses_test.go",
         "module_test.go",
         "mutator_test.go",
         "namespace_test.go",