Migrate 25 crates to monorepo.

sec1
semver
serde_cbor
serde_derive
shared_library
slab
smallvec
smccc
socket2
spin
spki
strsim
strum
strum_macros
sync_wrapper
syn-mid
synstructure
tempfile
termcolor
termtree
textwrap
thiserror
thread_local
tinytemplate
tokio-macros

Bug: 339424309
Test: treehugger
Change-Id: Id314e088108e330c09450a7c5834745f26848661
diff --git a/Android.bp b/Android.bp
index 244c6f1..96beb97 100644
--- a/Android.bp
+++ b/Android.bp
@@ -1,29 +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_sync_wrapper_license"],
-}
-
-license {
-    name: "external_rust_crates_sync_wrapper_license",
-    visibility: [":__subpackages__"],
-    license_kinds: ["SPDX-license-identifier-Apache-2.0"],
-    license_text: ["LICENSE"],
-}
-
-rust_library {
-    name: "libsync_wrapper",
-    host_supported: true,
-    crate_name: "sync_wrapper",
-    cargo_env_compat: true,
-    cargo_pkg_version: "1.0.1",
-    crate_root: "src/lib.rs",
-    edition: "2018",
-    apex_available: [
-        "//apex_available:platform",
-        "//apex_available:anyapex",
-    ],
-    product_available: true,
-    vendor_available: true,
-}
+// 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 cb908d7..0000000
--- a/cargo_embargo.json
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-  "run_cargo": false
-}