build: remove admin/api cache from travis.yml
build: remove admin/api cache from travis.yml

colmena/colmena,colmena/colmena-cms,colmena/colmena-cms,colmena/colmena,colmena/colmena,colmena/colmena-cms,beeman/loopback-angular-admin,beeman/loopback-angular-admin,beeman/loopback-angular-admin