[SPARK-40983][DOC] Remove Hadoop requirements for zstd mentioned in Parquet compression codec

### What changes were proposed in this pull request?

Change the doc to remove Hadoop requirements for zstd mentioned in Parquet compression codec.

### Why are the changes needed?

This requirement is removed after https://issues.apache.org/jira/browse/PARQUET-1866, and Spark uses Parquet 1.12.3 now.

### Does this PR introduce _any_ user-facing change?

Yes, doc updated.

### How was this patch tested?

<img width="1144" alt="image" src="https://user-images.githubusercontent.com/26535726/199180625-4e3a2ee1-3e4d-4d61-8842-f1d5b7b9321d.png">

Closes apache#38458 from pan3793/SPARK-40983.

Authored-by: Cheng Pan <[email protected]>
Signed-off-by: Yuming Wang <[email protected]>

Author: pan3793

docs/sql-data-sources-parquet.md

@@ -484,8 +484,7 @@ Configuration of Parquet can be done using the `setConf` method on `SparkSession
     <code>parquet.compression</code> is specified in the table-specific options/properties, the precedence would be
     <code>compression</code>, <code>parquet.compression</code>, <code>spark.sql.parquet.compression.codec</code>. Acceptable values include:
     none, uncompressed, snappy, gzip, lzo, brotli, lz4, zstd.
-    Note that <code>zstd</code> requires <code>ZStandardCodec</code> to be installed before Hadoop 2.9.0, <code>brotli</code> requires
-    <code>BrotliCodec</code> to be installed.
+    Note that <code>brotli</code> requires <code>BrotliCodec</code> to be installed.
   </td>
   <td>1.1.1</td>
 </tr>