[BEAM-4106] Remove filesToStage from Flink pipeline option list.

This documentation is automatically generated. filesToStage was removed in #14423, but no one's checked this in yet.

website/www/site/layouts/shortcodes/flink_java_pipeline_options.html

@@ -77,11 +77,6 @@
   <td>Remove unneeded deep copy between operators. See https://issues.apache.org/jira/browse/BEAM-11146</td>
   <td>Default: <code>false</code></td>
 </tr>
-<tr>
-  <td><code>filesToStage</code></td>
-  <td>Jar-Files to send to all workers and put on the classpath. The default value is all files from the classpath.</td>
-  <td></td>
-</tr>
 <tr>
   <td><code>finishBundleBeforeCheckpointing</code></td>
   <td>If set, finishes the current bundle and flushes all output before checkpointing the state of the operators. By default, starts checkpointing immediately and buffers any remaining bundle output as part of the checkpoint. The setting may affect the checkpoint alignment.</td>

website/www/site/layouts/shortcodes/flink_python_pipeline_options.html

@@ -77,11 +77,6 @@
   <td>Remove unneeded deep copy between operators. See https://issues.apache.org/jira/browse/BEAM-11146</td>
   <td>Default: <code>false</code></td>
 </tr>
-<tr>
-  <td><code>files_to_stage</code></td>
-  <td>Jar-Files to send to all workers and put on the classpath. The default value is all files from the classpath.</td>
-  <td></td>
-</tr>
 <tr>
   <td><code>finish_bundle_before_checkpointing</code></td>
   <td>If set, finishes the current bundle and flushes all output before checkpointing the state of the operators. By default, starts checkpointing immediately and buffers any remaining bundle output as part of the checkpoint. The setting may affect the checkpoint alignment.</td>