Strip out install check for copied files in java8-jre

Because these files are optionally copied, we can't just
unconditionally include them in the install check condition.

packages/java8-jre.xml

@@ -9,9 +9,6 @@
         <check type="uninstall" condition="exists" path="Java 8 Update %version% (64-bit)" />
         <check type="uninstall" condition="exists" path="Java 8 Update %version%" />
       </check>
-      <check type="file" condition="exists" path="%programfiles%\java\jre1.8.0_%version%\lib\deployment.config"/>
-      <check type="file" condition="exists" path="%programfiles%\java\jre1.8.0_%version%\system.config"/>
-      <check type="file" condition="exists" path="%programfiles%\java\jre1.8.0_%version%\exception.sites"/>
     </check>
 
     <install cmd='taskkill /f /im jqs.exe /im iexplore.exe /im firefox.exe'>