Docs: Remove @static notations from method DocBlocks in wp-includes/* classes.

This tag has been used in the past, but should no longer be used. Just using the `static` keyword in code is enough for PhpDocumentor on PHP5+ to recognize static variables and methods, and PhpDocumentor will mark them as static.

Props birgire.
See #42803.
Built from https://develop.svn.wordpress.org/trunk@42746


git-svn-id: http://core.svn.wordpress.org/trunk@42576 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/class-wp-http-streams.php

@@ -358,7 +358,6 @@ class WP_Http_Streams {
 	 * IP Address support is included if the request is being made to an IP address.
 	 *
 	 * @since 3.7.0
-	 * @static
 	 *
 	 * @param stream $stream The PHP Stream which the SSL request is being made over
 	 * @param string $host The hostname being requested
@@ -420,7 +419,6 @@ class WP_Http_Streams {
 	/**
 	 * Determines whether this class can be used for retrieving a URL.
 	 *
-	 * @static
 	 * @since 2.7.0
 	 * @since 3.7.0 Combined with the fsockopen transport and switched to stream_socket_client().
 	 *