Remove @static doc annotations

@static is intended for use only when the language does
not support the concept of static methods natively

Change-Id: I9a0bf7db493d5667b22508e65a34034cefdbcbfa

.phpcs.xml

@@ -1,7 +1,6 @@
 <?xml version="1.0"?>
 <ruleset>
 	<rule ref="./vendor/mediawiki/mediawiki-codesniffer/MediaWiki">
-		<exclude name="MediaWiki.Commenting.FunctionAnnotations.UnrecognizedAnnotation" />
 		<exclude name="MediaWiki.Commenting.FunctionComment.MissingDocumentationPublic" />
 		<exclude name="MediaWiki.WhiteSpace.SpaceBeforeSingleLineComment.NewLineComment" />
 	</rule>

includes/Cite.php

@@ -926,8 +926,6 @@ class Cite {
 	 * offset, e.g. $base = 1, $offset = 2; = 1.2
 	 * Since bug #5525, it correctly does 1.9 -> 1.10 as well as 1.099 -> 1.100
 	 *
-	 * @static
-	 *
 	 * @param int $base
 	 * @param int $offset
 	 * @param int $max Maximum value expected.
@@ -999,8 +997,6 @@ class Cite {
 	 * optionally the number of it, used in <references>, not <ref>
 	 * (since otherwise it would link to itself)
 	 *
-	 * @static
-	 *
 	 * @param string $key
 	 * @param int $num The number of the key
 	 * @return string A key for use in wikitext
@@ -1021,8 +1017,6 @@ class Cite {
 	 * optionally the number of it, used in <ref>, not <references>
 	 * (since otherwise it would link to itself)
 	 *
-	 * @static
-	 *
 	 * @param string $key
 	 * @return string A key for use in wikitext
 	 */
@@ -1089,8 +1083,6 @@ class Cite {
 	 * first separator and not 'and' as the second, and this has to
 	 * use messages from the content language) I'm rolling my own.
 	 *
-	 * @static
-	 *
 	 * @param array $arr The array to format
 	 * @return string
 	 */