removed unneeded explicit declaration of depencies on common pipes and directives
removed unneeded explicit declaration of depencies on common pipes and directives

rogerpadilla/angular2-minimalist-starter,xdemocle/angular2-minimalist-starter,rogerpadilla/angular2-minimalist-starter,xdemocle/angular2-minimalist-starter,xdemocle/angular2-minimalist-starter,rogerpadilla/angular2-minimalist-starter