Remove unneeded patch

The patch seems to fail to apply during cargo2android.py.

I'm also migrating to a config file while I'm at it.

Test: Run updater.
Change-Id: Ib305a6193ab39e4776df4b023cc77db590a60fb3
diff --git a/Android.bp b/Android.bp
index ec4c075..75212d3 100644
--- a/Android.bp
+++ b/Android.bp
@@ -1,8 +1,6 @@
-// This file is generated by cargo2android.py --device --run --dependencies --patch=patches/Android.bp.patch.
+// This file is generated by cargo2android.py --config cargo2android.json.
 // Do not modify this file as changes will be overridden on upgrade.
 
-
-
 package {
     default_applicable_licenses: ["external_rust_crates_rand_license"],
 }
@@ -65,9 +63,8 @@
 
 // dependent_library ["feature_list"]
 //   cfg-if-1.0.0
-//   getrandom-0.2.2 "std"
-//   libc-0.2.93
+//   getrandom-0.2.3 "std"
+//   libc-0.2.95
 //   ppv-lite86-0.2.10 "simd,std"
 //   rand_chacha-0.3.0 "std"
 //   rand_core-0.6.2 "alloc,getrandom,std"
-//   rand_hc-0.3.0
diff --git a/cargo2android.json b/cargo2android.json
new file mode 100644
index 0000000..1b6cca2
--- /dev/null
+++ b/cargo2android.json
@@ -0,0 +1,5 @@
+{
+  "dependencies": true,
+  "device": true,
+  "run": true
+}
\ No newline at end of file
diff --git a/patches/Android.bp.patch b/patches/Android.bp.patch
deleted file mode 100644
index 59579a5..0000000
--- a/patches/Android.bp.patch
+++ /dev/null
@@ -1,12 +0,0 @@
-diff --git a/Android.bp b/Android.bp
-index 49626bd..5c40f99 100644
---- a/Android.bp
-+++ b/Android.bp
-@@ -23,7 +23,6 @@ rust_library {
-         "liblibc",
-         "librand_chacha",
-         "librand_core",
--        "librand_hc",
-     ],
- }
-