Remove api-stubs-docs

Remove the build rule for updating api/current.txt and other files,
which makes it easier to remove the txt files themselves.

Bug: 171029603
Test: m nothing
Change-Id: I987fd9f6075d0f7c6817f16bf7282c6239afb7db

StubLibraries.bp

@@ -110,37 +110,9 @@ stubs_defaults {
 }
 
 /////////////////////////////////////////////////////////////////////
-// *-api-stubs-docs modules providing source files for the stub libraries
+// These modules provide source files for the stub libraries
 /////////////////////////////////////////////////////////////////////
 
-// api-stubs-docs, system-api-stubs-docs, and test-api-stubs-docs have APIs
-// from the non-updatable part of the platform as well as from the updatable
-// modules
-droidstubs {
-    name: "api-stubs-docs",
-    defaults: ["metalava-full-api-stubs-default"],
-    arg_files: [
-        "core/res/AndroidManifest.xml",
-    ],
-    args: metalava_framework_docs_args,
-    check_api: {
-        current: {
-            api_file: "api/current.txt",
-            removed_api_file: "api/removed.txt",
-        },
-        last_released: {
-            api_file: ":android.api.public.latest",
-            removed_api_file: ":removed.api.public.latest",
-            baseline_file: ":public-api-incompatibilities-with-last-released",
-        },
-        api_lint: {
-            enabled: true,
-            new_since: ":android.api.public.latest",
-            baseline_file: "api/lint-baseline.txt",
-        },
-    },
-}
-
 droidstubs {
     name: "api-stubs-docs-non-updatable",
     defaults: ["metalava-non-updatable-api-stubs-default"],