remove the optimizer package (no longer jdk 8 complient)

fix one test

Author: rbri

pom.xml

@@ -4,7 +4,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>org.htmlunit</groupId>
     <artifactId>htmlunit-core-js</artifactId>
-    <version>4.4.0</version>
+    <version>4.5.0-SNAPSHOT</version>
     <name>HtmlUnit JavaScript Engine</name>
     <organization>
         <name>HtmlUnit</name>
@@ -128,6 +128,9 @@
                                       <includes>
                                           <include>**/*.java</include>
                                       </includes>
+                                      <excludes>
+                                          <exclude>javascript/optimizer/**/*.java</exclude>
+                                      </excludes>
                                   </resource>
                                   <resource>
                                       <directory>../htmlunit-rhino-fork/rhino-tools/src/main/java/org/mozilla</directory>

src/test/java/org/htmlunit/corejs/StackTraceTest.java

@@ -26,9 +26,9 @@ public void testFailureStackTrace() {
         final String source2 = "function f2() { 'H'.toLowerCase(); throw 'hello'; }; f2();";
 
         runWithExpectedStackTrace(source1,
-                "\tat test.js (f2)" + lineSeparator + "\tat test.js" + lineSeparator); // works
+                "\tat test.js:0 (f2)" + lineSeparator + "\tat test.js:0" + lineSeparator); // works
         runWithExpectedStackTrace(source2,
-                "\tat test.js (f2)" + lineSeparator + "\tat test.js" + lineSeparator); // fails
+                "\tat test.js:0 (f2)" + lineSeparator + "\tat test.js:0" + lineSeparator); // fails
     }
 
     private static void runWithExpectedStackTrace(final String _source, final String _expectedStackTrace) {