Fix small compiler warnings

This commit fix small compiler warnings in a few Java classes

l2jserver2-common/src/main/java/com/l2jserver/util/geometry/Coordinate.java

@@ -16,8 +16,6 @@
  */
 package com.l2jserver.util.geometry;
 
-import javax.xml.bind.annotation.XmlType;
-
 import org.apache.commons.math.geometry.Vector3D;
 
 /**

l2jserver2-gameserver/data/template/character/Assassin.xml

@@ -1,5 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<template:character xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" class="ASSASSIN" xsi:schemaLocation="http://schemas.l2jserver2.com/character ../character.xsd" xmlns:template="http://schemas.l2jserver2.com/character">
+<template:character xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	class="ASSASSIN" xsi:schemaLocation="http://schemas.l2jserver2.com/character ../character.xsd"
+	xmlns:template="http://schemas.l2jserver2.com/character">
 	<stats crafter="false" level="20">
 		<hp add="33.0" modifier="0.37" base="379.0" />
 		<mp add="9.9" modifier="0.14" base="144.0" />

l2jserver2-gameserver/src/main/java/com/l2jserver/service/game/world/filter/impl/KnownListFilter.java

@@ -37,7 +37,6 @@ public class KnownListFilter extends AndFilter<PositionableObject> {
 	 * @param object
 	 *            the object to locate known objects
 	 */
-	@SuppressWarnings("unchecked")
 	public KnownListFilter(PositionableObject object) {
 		super(new InstanceFilter<PositionableObject>(PositionableObject.class),
 				new RangeFilter(object, KNOWNLIST_RANGE),

l2jserver2-tools/src/main/java/com/l2jserver/tool/xml/TemplateSchemaGeneratorMain.java

@@ -4,7 +4,6 @@ import java.io.File;
 import java.io.IOException;
 
 import javax.xml.bind.JAXBContext;
-import javax.xml.bind.JAXBException;
 import javax.xml.bind.SchemaOutputResolver;
 import javax.xml.transform.Result;
 import javax.xml.transform.stream.StreamResult;
@@ -18,10 +17,11 @@ import com.l2jserver.service.game.template.XMLTemplateService.TeleportationTempl
 public class TemplateSchemaGeneratorMain {
 	/**
 	 * @param args
-	 * @throws JAXBException
-	 * @throws IOException
+	 *            none
+	 * @throws Exception
+	 *             any exception
 	 */
-	public static void main(String[] args) throws JAXBException, IOException {
+	public static void main(String[] args) throws Exception {
 		final File baseDir = new File("generated/schemas");
 
 		JAXBContext context = JAXBContext.newInstance(CharacterTemplate.class,