docs: remove stale header guidance for AppendRows (#299)

- [ ] Regenerate this pull request now.

PiperOrigin-RevId: 485941276

Source-Link: https://togithub.com/googleapis/googleapis/commit/a5f5928e736ea88c03e48c506a19fa632b43de9e

Source-Link: https://togithub.com/googleapis/googleapis-gen/commit/61ebfaa325101bc9b29ee34900b45b2f0d23981e
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BEGIN_NESTED_COMMIT
chore: override API mixins when needed
PiperOrigin-RevId: 477248447

Source-Link: https://togithub.com/googleapis/googleapis/commit/4689c7380444972caf11fd1b96e7ec1f864b7dfb

Source-Link: https://togithub.com/googleapis/googleapis-gen/commit/c4059786a5cd805a0151d95b477fbc486bcbcedc
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packages/google-cloud-bigquery-storage/protos/google/cloud/bigquery/storage/v1/storage.proto

@@ -167,13 +167,6 @@ service BigQueryWrite {
   // * For PENDING streams, data is not made visible until the stream itself is
   // finalized (via the `FinalizeWriteStream` rpc), and the stream is explicitly
   // committed via the `BatchCommitWriteStreams` rpc.
-  //
-  // Note: For users coding against the gRPC api directly, it may be
-  // necessary to supply the x-goog-request-params system parameter
-  // with `write_stream=<full_write_stream_name>`.
-  //
-  // More information about system parameters:
-  // https://cloud.google.com/apis/docs/system-parameters
   rpc AppendRows(stream AppendRowsRequest) returns (stream AppendRowsResponse) {
     option (google.api.http) = {
       post: "/v1/{write_stream=projects/*/datasets/*/tables/*/streams/*}"

packages/google-cloud-bigquery-storage/samples/generated/v1/snippet_metadata.google.cloud.bigquery.storage.v1.json

@@ -199,7 +199,7 @@
             "regionTag": "bigquerystorage_v1_generated_BigQueryWrite_AppendRows_async",
             "title": "BigQueryRead appendRows Sample",
             "origin": "API_DEFINITION",
-            "description": " Appends data to the given stream. If `offset` is specified, the `offset` is checked against the end of stream. The server returns `OUT_OF_RANGE` in `AppendRowsResponse` if an attempt is made to append to an offset beyond the current end of the stream or `ALREADY_EXISTS` if user provides an `offset` that has already been written to. User can retry with adjusted offset within the same RPC connection. If `offset` is not specified, append happens at the end of the stream. The response contains an optional offset at which the append happened.  No offset information will be returned for appends to a default stream. Responses are received in the same order in which requests are sent. There will be one response for each successful inserted request.  Responses may optionally embed error information if the originating AppendRequest was not successfully processed. The specifics of when successfully appended data is made visible to the table are governed by the type of stream: * For COMMITTED streams (which includes the default stream), data is visible immediately upon successful append. * For BUFFERED streams, data is made visible via a subsequent `FlushRows` rpc which advances a cursor to a newer offset in the stream. * For PENDING streams, data is not made visible until the stream itself is finalized (via the `FinalizeWriteStream` rpc), and the stream is explicitly committed via the `BatchCommitWriteStreams` rpc. Note: For users coding against the gRPC api directly, it may be necessary to supply the x-goog-request-params system parameter with `write_stream=<full_write_stream_name>`. More information about system parameters: https://cloud.google.com/apis/docs/system-parameters",
+            "description": " Appends data to the given stream. If `offset` is specified, the `offset` is checked against the end of stream. The server returns `OUT_OF_RANGE` in `AppendRowsResponse` if an attempt is made to append to an offset beyond the current end of the stream or `ALREADY_EXISTS` if user provides an `offset` that has already been written to. User can retry with adjusted offset within the same RPC connection. If `offset` is not specified, append happens at the end of the stream. The response contains an optional offset at which the append happened.  No offset information will be returned for appends to a default stream. Responses are received in the same order in which requests are sent. There will be one response for each successful inserted request.  Responses may optionally embed error information if the originating AppendRequest was not successfully processed. The specifics of when successfully appended data is made visible to the table are governed by the type of stream: * For COMMITTED streams (which includes the default stream), data is visible immediately upon successful append. * For BUFFERED streams, data is made visible via a subsequent `FlushRows` rpc which advances a cursor to a newer offset in the stream. * For PENDING streams, data is not made visible until the stream itself is finalized (via the `FinalizeWriteStream` rpc), and the stream is explicitly committed via the `BatchCommitWriteStreams` rpc.",
             "canonical": true,
             "file": "big_query_write.append_rows.js",
             "language": "JAVASCRIPT",

packages/google-cloud-bigquery-storage/src/v1/big_query_write_client.ts

@@ -908,13 +908,6 @@ export class BigQueryWriteClient {
    * finalized (via the `FinalizeWriteStream` rpc), and the stream is explicitly
    * committed via the `BatchCommitWriteStreams` rpc.
    *
-   * Note: For users coding against the gRPC api directly, it may be
-   * necessary to supply the x-goog-request-params system parameter
-   * with `write_stream=<full_write_stream_name>`.
-   *
-   * More information about system parameters:
-   * https://cloud.google.com/apis/docs/system-parameters
-   *
    * @param {object} [options]
    *   Call options. See {@link https://googleapis.dev/nodejs/google-gax/latest/interfaces/CallOptions.html|CallOptions} for more details.
    * @returns {Stream}