Migrate 3 crates to monorepo.

etherparse
memmap2
static_assertions

Bug: http://b/339424309
Test: treehugger
Change-Id: I6f81097f6ac745981074620091fcd672efe29eff
diff --git a/Android.bp b/Android.bp
index e971262..96beb97 100644
--- a/Android.bp
+++ b/Android.bp
@@ -1,51 +1 @@
-// This file is generated by cargo_embargo.
-// Do not modify this file because the changes will be overridden on upgrade.
-
-package {
-    default_applicable_licenses: ["external_rust_crates_memmap2_license"],
-    default_team: "trendy_team_android_rust",
-}
-
-license {
-    name: "external_rust_crates_memmap2_license",
-    visibility: [":__subpackages__"],
-    license_kinds: ["SPDX-license-identifier-Apache-2.0"],
-    license_text: ["LICENSE"],
-}
-
-rust_library {
-    name: "libmemmap2",
-    host_supported: true,
-    crate_name: "memmap2",
-    cargo_env_compat: true,
-    cargo_pkg_version: "0.8.0",
-    crate_root: "src/lib.rs",
-    edition: "2018",
-    rustlibs: ["liblibc"],
-    apex_available: [
-        "//apex_available:platform",
-        "//apex_available:anyapex",
-    ],
-    product_available: true,
-    vendor_available: true,
-    min_sdk_version: "29",
-}
-
-rust_test {
-    name: "memmap2_test_src_lib",
-    host_supported: true,
-    crate_name: "memmap2",
-    cargo_env_compat: true,
-    cargo_pkg_version: "0.8.0",
-    crate_root: "src/lib.rs",
-    test_suites: ["general-tests"],
-    auto_gen_config: true,
-    test_options: {
-        unit_test: true,
-    },
-    edition: "2018",
-    rustlibs: [
-        "liblibc",
-        "libtempfile",
-    ],
-}
+// This crate has been migrated to external/rust/android-crates-io.
diff --git a/cargo_embargo.json b/cargo_embargo.json
deleted file mode 100644
index dfaddac..0000000
--- a/cargo_embargo.json
+++ /dev/null
@@ -1,11 +0,0 @@
-{
-  "tests": true,
-  "min_sdk_version": "29",
-  "package": {
-    "memmap2": {
-      "dep_blocklist": [
-        "libowning_ref"
-      ]
-    }
-  }
-}