remove ide.site/target before running mwe2
remove ide.site/target before running mwe2

just to avoid warnings for artifacts found there from previous builds.

Change-Id: Ib1986b7ce6a3ef51cfae59d753e27fca45406768

LorenzoBettini/javamm,LorenzoBettini/javamm,LorenzoBettini/javamm