doc: reset added: version to REPLACEME

Documentation for `CompressionStream` and `DecompressionStream` was
erroneously added in f57a0e4d8b
and released in version 16.7.0.

Reset the `added:` version to `REPLACEME`.

Refs: #39348
Refs: #39899

PR-URL: #39901
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Myles Borins <myles.borins@gmail.com>

doc/api/webstreams.md

@@ -1221,51 +1221,51 @@ added: v16.6.0
 
 ### Class: `CompressionStream`
 <!-- YAML
-added: v16.7.0
+added: REPLACEME
 -->
 #### `new CompressionStream(format)`
 <!-- YAML
-added: v16.7.0
+added: REPLACEME
 -->
 
 * `format` {string} One of either `'deflate'` or `'gzip'`.
 
 #### `compressionStream.readable`
 <!-- YAML
-added: v16.7.0
+added: REPLACEME
 -->
 
 * Type: {ReadableStream}
 
 #### `compressionStream.writable`
 <!-- YAML
-added: v16.7.0
+added: REPLACEME
 -->
 
 * Type: {WritableStream}
 
 ### Class: `DecompressionStream`
 <!-- YAML
-added: v16.7.0
+added: REPLACEME
 -->
 
 #### `new DecompressionStream(format)`
 <!-- YAML
-added: v16.7.0
+added: REPLACEME
 -->
 
 * `format` {string} One of either `'deflate'` or `'gzip'`.
 
 #### `decompressionStream.readable`
 <!-- YAML
-added: v16.7.0
+added: REPLACEME
 -->
 
 * Type: {ReadableStream}
 
 #### `decompressionStream.writable`
 <!-- YAML
-added: v16.7.0
+added: REPLACEME
 -->
 
 * Type: {WritableStream}