chore: update logging to new samples format

[bshaffer]

[snippet-bot[bot]]

Here is the summary of possible violations 😱

There are 10 possible violations for removing region tag in use.

• logging/src/log_entry_functions.php:20, tag logging_write_log_entry(usage: page 1).
• logging/src/log_entry_functions.php:21, tag logging_list_log_entries(usage: page 1 page 2).
• logging/src/log_entry_functions.php:22, tag logging_delete_log(usage: page 1).
• logging/src/log_entry_functions.php:29, tag logging_write_log_entry(usage: page 1).
• logging/src/log_entry_functions.php:53, tag logging_list_log_entries(usage: page 1 page 2).
• logging/src/log_entry_functions.php:93, tag logging_delete_log(usage: page 1).
• logging/src/sink_functions.php:25, tag logging_create_sink(usage: page 1).
• logging/src/sink_functions.php:45, tag logging_delete_sink(usage: page 1).
• logging/src/sink_functions.php:59, tag logging_list_sinks(usage: page 1).
• logging/src/sink_functions.php:82, tag logging_update_sink(usage: page 1).

The end of the violation section. All the stuff below is FYI purposes only.

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You are about to delete the following sample browser pages.

• logging/src/log_entry_functions.php:20, tag logging_write_log_entry(usage: page 1).
• logging/src/log_entry_functions.php:21, tag logging_list_log_entries(usage: page 1).
• logging/src/log_entry_functions.php:22, tag logging_delete_log(usage: page 1).
• logging/src/log_entry_functions.php:29, tag logging_write_log_entry(usage: page 1).
• logging/src/log_entry_functions.php:53, tag logging_list_log_entries(usage: page 1).
• logging/src/log_entry_functions.php:93, tag logging_delete_log(usage: page 1).
• logging/src/sink_functions.php:25, tag logging_create_sink(usage: page 1).
• logging/src/sink_functions.php:45, tag logging_delete_sink(usage: page 1).
• logging/src/sink_functions.php:59, tag logging_list_sinks(usage: page 1).
• logging/src/sink_functions.php:82, tag logging_update_sink(usage: page 1).

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Here is the summary of changes.

You are about to add 7 region tags.

• logging/src/create_sink.php:20, tag logging_create_sink
• logging/src/delete_logger.php:20, tag logging_delete_log
• logging/src/delete_sink.php:20, tag logging_delete_sink
• logging/src/list_entries.php:20, tag logging_list_log_entries
• logging/src/list_sinks.php:20, tag logging_list_sinks
• logging/src/update_sink.php:20, tag logging_update_sink
• logging/src/write_log.php:20, tag logging_write_log_entry

You are about to delete 11 region tags.

• logging/src/log_entry_functions.php:20, tag logging_write_log_entry
• logging/src/log_entry_functions.php:21, tag logging_list_log_entries
• logging/src/log_entry_functions.php:22, tag logging_delete_log
• logging/src/log_entry_functions.php:29, tag logging_write_log_entry
• logging/src/log_entry_functions.php:53, tag logging_list_log_entries
• logging/src/log_entry_functions.php:93, tag logging_delete_log
• logging/src/sink_functions.php:20, tag logging_use
• logging/src/sink_functions.php:25, tag logging_create_sink
• logging/src/sink_functions.php:45, tag logging_delete_sink
• logging/src/sink_functions.php:59, tag logging_list_sinks
• logging/src/sink_functions.php:82, tag logging_update_sink

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[bshaffer]

moving snippet tags in cl/486749608