Remove unused property.

Author: ylangisc

pom.xml

@@ -91,7 +91,6 @@
         <httpclient-version>4.5.14</httpclient-version>
         <google-http-client.version>1.46.3</google-http-client.version>
         <jwt.version>4.5.0</jwt.version>
-        <ikvm-version>8.0.312.b07-8</ikvm-version>
         <java-native-dll>8u312b07</java-native-dll>
         <rococoa-version>0.10.0</rococoa-version>
         <surefire.group.excluded>ch.cyberduck.test.IntegrationTest</surefire.group.excluded>