Delete py-grpc module

This module is unused. It appears that it wouldn't
even work correctly if it was used, as the "python"
folder would be adding an extra import package.

Bug: 245583294
Test: Presubmits
Change-Id: Ife2c39506387d46954a5c2d09b5b3f34f585d49b
diff --git a/Android.bp b/Android.bp
index 8c51590..139d14d 100644
--- a/Android.bp
+++ b/Android.bp
@@ -1196,18 +1196,3 @@
         ".",
     ],
 }
-
-// gRPC python library target
-python_library_host {
-    name: "py-grpc",
-    srcs: ["src/python/**/*.py"],
-    version: {
-        py2: {
-            enabled: true,
-        },
-        py3: {
-            enabled: true,
-        },
-    },
-    pkg_path: "grpc",
-}