Remove unused code

Author: headius

ext/jruby/org/jruby/ext/strscan/RubyStringScanner.java

@@ -45,7 +45,6 @@
 import org.jruby.RubyRegexp;
 import org.jruby.RubyString;
 import org.jruby.RubySymbol;
-import org.jruby.RubyThread;
 import org.jruby.anno.JRubyClass;
 import org.jruby.anno.JRubyMethod;
 import org.jruby.ast.util.ArgsUtil;
@@ -78,8 +77,6 @@ public class RubyStringScanner extends RubyObject {
     private boolean matched;
     private boolean fixedAnchor;
 
-    private static final int MATCHED_STR_SCN_F = 1 << 11;
-
     public static RubyClass createScannerClass(final Ruby runtime) {
         RubyClass Object = runtime.getObject();