Disable pack200 compression in install4j.

It seems to be not working anyway with errors like the following during the build:
WARNING: Passing class file uncompressed due to unrecognized attribute: games/strategy/engine/lobby/moderator/toolbox/tabs/maps/MapsTab.class

game-app/game-headed/build.install4j

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <install4j version="9.0.6" transformSequenceNumber="9">
   <directoryPresets config=".triplea-root" />
-  <application name="TripleA" applicationId="5251-3669-9623-1649" mediaDir="build/releases" mediaFilePattern="${compiler:sys.fullName}_${compiler:sys.version}_${compiler:sys.platform}" compression="9" lzmaCompression="true" pack200Compression="true" createChecksums="false" shortName="TripleA" publisher="TripleA Developer Team" publisherWeb="https://triplea-game.org" version="${compiler:sys.version}" allPathsRelative="true" autoSave="true" convertDotsToUnderscores="false" macVolumeId="af9346379363d40e" javaMinVersion="11" jdkMode="jdk">
+  <application name="TripleA" applicationId="5251-3669-9623-1649" mediaDir="build/releases" mediaFilePattern="${compiler:sys.fullName}_${compiler:sys.version}_${compiler:sys.platform}" compression="9" lzmaCompression="true" createChecksums="false" shortName="TripleA" publisher="TripleA Developer Team" publisherWeb="https://triplea-game.org" version="${compiler:sys.version}" allPathsRelative="true" autoSave="true" convertDotsToUnderscores="false" macVolumeId="af9346379363d40e" javaMinVersion="11" jdkMode="jdk">
     <jreBundles jdkProviderId="AdoptOpenJDK" release="11/jdk-11.0.19+7" />
   </application>
   <files preserveSymlinks="false">