build: Stop printing irrelevant invalidation messages
build: Stop printing irrelevant invalidation messages

The invalidation messages were printed when Makefile was parsed and we
may be interested in them only when we actually want to build the
invalidated target.

rkt/rkt,intelsdi-x/rkt,joshix/rkt,s-urbaniak/rkt,dgonyeo/rkt,Shashwatsh/rkt,achanda/rkt,cab105/rkt,s-urbaniak/rkt,intelsdi-x/rkt,kinvolk/rkt,cab105/rkt,Shashwatsh/rkt,s-urbaniak/rkt,Wilybald/rkt,achanda/rkt,coreos/rkt,yifan-gu/rocket,yifan-gu/rocket,Shashwatsh/rkt,ybubnov/rkt,jakon89/rkt,shobhit85/rkt,kinvolk/rkt,joshix/rkt,coreos/rkt,achanda/rkt,jonboulle/rkt,joshix/rkt,shobhit85/rkt,lucasallan/rkt,yifan-gu/rkt,jonboulle/rkt,lucasallan/rkt,rkt/rkt,sstabellini/rkt,Wilybald/rkt,ybubnov/rkt,jakon89/rkt,euank/rkt,intelsdi-x/rkt,squeed/rkt,coreos/rkt,alban/rkt,kinvolk/rkt,ybubnov/rkt,alban/rkt,lucasallan/rkt,rkt/rkt,Wilybald/rkt,cab105/rkt,euank/rkt,sstabellini/rkt,joshix/rkt,yifan-gu/rkt,nhlfr/rkt,jonboulle/rkt,euank/rkt,dgonyeo/rkt,yifan-gu/rkt,rkt/rkt,squeed/rkt,yifan-gu/rocket,dgonyeo/rkt,jakon89/rkt,lucasallan/rkt,sstabellini/rkt,kinvolk/rkt,shobhit85/rkt,nhlfr/rkt,alban/rkt,nhlfr/rkt,squeed/rkt,Wilybald/rkt