build: remove API doc generation for localize/init and add mnemonic to API rendering rule.

The removed target was not used and was generating an empty output which causes `java.io.IOException: mandatory output packages/localize/init/localize_docs_html was not created`

adev/shared-docs/pipeline/api-gen/rendering/render_api_to_html.bzl

@@ -24,6 +24,7 @@ def _render_api_to_html(ctx):
         executable = ctx.executable._render_api_to_html,
         outputs = outputs,
         arguments = [args],
+        mnemonic = "RenderApiToHtml",
         env = {
             "BAZEL_BINDIR": ".",
         },

packages/localize/init/BUILD.bazel

@@ -1,4 +1,3 @@
-load("//adev/shared-docs/pipeline/api-gen:generate_api_docs.bzl", "generate_api_docs")
 load("//tools:defaults.bzl", "ts_project")
 
 package(default_visibility = ["//visibility:public"])
@@ -24,13 +23,3 @@ filegroup(
         "*.ts",
     ]) + ["PACKAGE.md"],
 )
-
-generate_api_docs(
-    name = "localize_docs",
-    srcs = [
-        ":files_for_docgen",
-        "//packages:common_files_and_deps_for_docs",
-    ],
-    entry_point = ":index.ts",
-    module_name = "@angular/localize/init",
-)