browser/build: avoid prepending slash for phantomjs unit tests
browser/build: avoid prepending slash for phantomjs unit tests

PhantomJS unit tests don't like to see slashes prepended to paths.

In linux this was causing an error loading a dependency.

Remove alias for the deps directory that was using a slash prefix in its
path.

dmcassel/marklogic-samplestack,ryanjdew/discovery-app-w-samplestack,laurelnaiad/marklogic-samplestack,omkarudipi/marklogic-samplestack,dmcassel/marklogic-samplestack,ryanjdew/discovery-app-w-samplestack,ryanjdew/discovery-app-w-samplestack,marklogic/marklogic-samplestack,supriyantomaftuh/marklogic-samplestack,dmcassel/marklogic-samplestack,laurelnaiad/marklogic-samplestack-old,marklogic/marklogic-samplestack,laurelnaiad/marklogic-samplestack,laurelnaiad/marklogic-samplestack,supriyantomaftuh/marklogic-samplestack,supriyantomaftuh/marklogic-samplestack,clockworked247/marklogic-samplestack,supriyantomaftuh/marklogic-samplestack,laurelnaiad/marklogic-samplestack-old,laurelnaiad/marklogic-samplestack,marklogic/marklogic-samplestack,marklogic/marklogic-samplestack,omkarudipi/marklogic-samplestack,ryanjdew/discovery-app-w-samplestack,omkarudipi/marklogic-samplestack,clockworked247/marklogic-samplestack,dmcassel/marklogic-samplestack,omkarudipi/marklogic-samplestack