Remove some more unused variables

includes/HTMLForm.php

@@ -1086,8 +1086,6 @@ class HTMLFloatField extends HTMLTextField {
 			return wfMsgExt( 'htmlform-float-invalid', 'parse' );
 		}
 
-		$in_range = true;
-
 		# The "int" part of these message names is rather confusing.
 		# They make equal sense for all numbers.
 		if ( isset( $this->mParams['min'] ) ) {

includes/Preferences.php

@@ -1060,7 +1060,6 @@ class Preferences {
 				$wgDefaultUserOptions['date'] = 'default';
 			}
 
-			$idCnt = 0;
 			$epoch = wfTimestampNow();
 			foreach ( $dateopts as $key ) {
 				if ( $key == 'default' ) {

includes/RevisionDelete.php

@@ -1163,7 +1163,6 @@ class RevDel_FileItem extends RevDel_Item {
 			return '<span class="history-deleted">' . $link . '</span>';
 		} else {
 			# Regular files...
-			$url = $this->file->getUrl();
 			return Xml::element( 'a', array( 'href' => $this->file->getUrl() ), $date );
 		}
 	}

includes/db/DatabaseIbm_db2.php

@@ -1122,7 +1122,7 @@ EOF;
 				$overhead = "SAVEPOINT $ignore ON ROLLBACK RETAIN CURSORS";
 				db2_exec($this->mConn, $overhead, $this->mStmtOptions);
 				
-				$res2 = $this->execute($stmt, $row);
+				$this->execute($stmt, $row);
 				// get the last inserted value into a generated column
 				$this->calcInsertId($table, $primaryKey, $stmt);
 				

languages/LanguageConverter.php

@@ -1113,7 +1113,6 @@ class ConverterRule {
 	 */
 	function parseRules() {
 		$rules = $this->mRules;
-		$flags = $this->mFlags;
 		$bidtable = array();
 		$unidtable = array();
 		$variants = $this->mConverter->mVariants;