Remove unnecessary exports from module-info.java

Removed multiple exports from the module definition.

Author: slachiewicz

src/main/java9/module-info.java

@@ -1,9 +1,3 @@
 module org.codehaus.plexus.interpolation {
     exports org.codehaus.plexus.interpolation;
-    exports org.codehaus.plexus.interpolation.fixed;
-    exports org.codehaus.plexus.interpolation.multi;
-    exports org.codehaus.plexus.interpolation.object;
-    exports org.codehaus.plexus.interpolation.os;
-    exports org.codehaus.plexus.interpolation.reflection;
-    exports org.codehaus.plexus.interpolation.util;
 }