Remove -nodes=4 from bin/test
Remove -nodes=4 from bin/test

We'll rely on -p calculating a reasonable number of nodes instead.

Signed-off-by: Chavdar Chernashki <184c944fa0a6b8f150aba79b085aa16b0f2c0346@pivotal.io>

cloudfoundry/cli,cloudfoundry/cli,cloudfoundry/cli