Disable unused Python 2 variant.

Bug: 245854393
Test: presubmit
Change-Id: I335698c035a4b302e7e9904ec11df31143276bdc
diff --git a/asn1crypto/Android.bp b/asn1crypto/Android.bp
index 28a9fd9..d29cd49 100644
--- a/asn1crypto/Android.bp
+++ b/asn1crypto/Android.bp
@@ -27,13 +27,5 @@
         "*.py",
         "_perf/*.py",
     ],
-    version: {
-        py2: {
-            enabled: true,
-        },
-        py3: {
-            enabled: true,
-        },
-    },
     pkg_path: "asn1crypto",
 }