Delete deprecated `rules` targets (#1210)

diff --git a/BUILD.bazel b/BUILD.bazel
index a8026de..281a3d8 100644
--- a/BUILD.bazel
+++ b/BUILD.bazel
@@ -11,13 +11,6 @@
     visibility = ["//visibility:public"],
 )
 
-alias(
-    name = "rules",
-    actual = ":bzl_lib",
-    deprecation = "Please use the `@rules_rust//:bzl_lib` target instead",
-    visibility = ["//visibility:public"],
-)
-
 filegroup(
     name = "distro",
     srcs = glob(["*.bzl"]) + [
diff --git a/bindgen/BUILD.bazel b/bindgen/BUILD.bazel
index fde6ea9..d4958e8 100644
--- a/bindgen/BUILD.bazel
+++ b/bindgen/BUILD.bazel
@@ -11,12 +11,6 @@
     deps = ["//rust:bzl_lib"],
 )
 
-alias(
-    name = "rules",
-    actual = ":bzl_lib",
-    deprecation = "Please use the `@rules_rust//bindgen:bzl_lib` target instead",
-)
-
 filegroup(
     name = "distro",
     srcs = glob(["*.bzl"]) + [
diff --git a/cargo/BUILD.bazel b/cargo/BUILD.bazel
index 639957e..181219b 100644
--- a/cargo/BUILD.bazel
+++ b/cargo/BUILD.bazel
@@ -8,12 +8,6 @@
     deps = ["//cargo/private:bzl_lib"],
 )
 
-alias(
-    name = "rules",
-    actual = ":bzl_lib",
-    deprecation = "Please use the `@rules_rust//cargo:bzl_lib` target instead",
-)
-
 filegroup(
     name = "distro",
     srcs = glob(["*.bzl"]) + [
diff --git a/proto/BUILD.bazel b/proto/BUILD.bazel
index d15bde3..9dea168 100644
--- a/proto/BUILD.bazel
+++ b/proto/BUILD.bazel
@@ -48,9 +48,3 @@
     name = "bzl_lib",
     srcs = glob(["**/*.bzl"]) + ["//proto/raze:crates.bzl"],
 )
-
-alias(
-    name = "rules",
-    actual = ":bzl_lib",
-    deprecation = "Please use the `@rules_rust//proto:bzl_lib` target instead",
-)
diff --git a/rust/BUILD.bazel b/rust/BUILD.bazel
index 6001226..a1eaa59 100644
--- a/rust/BUILD.bazel
+++ b/rust/BUILD.bazel
@@ -23,12 +23,6 @@
     ],
 )
 
-alias(
-    name = "rules",
-    actual = ":bzl_lib",
-    deprecation = "Please use the `@rules_rust//rust:bzl_lib` target instead",
-)
-
 filegroup(
     name = "distro",
     srcs = glob(["*.bzl"]) + [
diff --git a/rust/platform/BUILD.bazel b/rust/platform/BUILD.bazel
index d0ef81e..79dd9d6 100644
--- a/rust/platform/BUILD.bazel
+++ b/rust/platform/BUILD.bazel
@@ -18,13 +18,6 @@
     visibility = ["//rust:__subpackages__"],
 )
 
-alias(
-    name = "rules",
-    actual = ":bzl_lib",
-    deprecation = "Please use the `@rules_rust//platform:bzl_lib` target instead",
-    visibility = ["//rust:__subpackages__"],
-)
-
 filegroup(
     name = "distro",
     srcs = glob(["*.bzl"]) + [
diff --git a/rust/private/BUILD.bazel b/rust/private/BUILD.bazel
index c8af342..9debaa3 100644
--- a/rust/private/BUILD.bazel
+++ b/rust/private/BUILD.bazel
@@ -9,13 +9,6 @@
     deps = ["//rust/platform:bzl_lib"],
 )
 
-alias(
-    name = "rules",
-    actual = ":bzl_lib",
-    deprecation = "Please use the `@rules_rust//private:bzl_lib` target instead",
-    visibility = ["//rust:__subpackages__"],
-)
-
 filegroup(
     name = "distro",
     srcs = glob(["*.bzl"]) + [
diff --git a/rust/settings/BUILD.bazel b/rust/settings/BUILD.bazel
index 82fa156..2ff9a43 100644
--- a/rust/settings/BUILD.bazel
+++ b/rust/settings/BUILD.bazel
@@ -34,13 +34,6 @@
     srcs = glob(["**/*.bzl"]),
 )
 
-alias(
-    name = "rules",
-    actual = ":bzl_lib",
-    deprecation = "Please use the `@rules_rust//settings:bzl_lib` target instead",
-    visibility = ["//rust:__subpackages__"],
-)
-
 filegroup(
     name = "distro",
     srcs = glob(["*.bzl"]) + [
diff --git a/wasm_bindgen/BUILD.bazel b/wasm_bindgen/BUILD.bazel
index f5d37dc..bf8b589 100644
--- a/wasm_bindgen/BUILD.bazel
+++ b/wasm_bindgen/BUILD.bazel
@@ -11,12 +11,6 @@
     deps = ["//rust:bzl_lib"],
 )
 
-alias(
-    name = "rules",
-    actual = ":bzl_lib",
-    deprecation = "Please use the `@rules_rust//wasm_bindgen:bzl_lib` target instead",
-)
-
 filegroup(
     name = "distro",
     srcs = glob(["*.bzl"]) + [