cmd/worker: fix staticPath is unused error
cmd/worker: fix staticPath is unused error

Fix staticcheck error:
cmd/worker/main.go:43:2: var staticPath is unused (U1000)

Change-Id: Idde48f7ab29bd0fd0b54d032d404724b8a9b78c1
Reviewed-on: https://go-review.googlesource.com/c/pkgsite/+/243279
Reviewed-by: Jonathan Amsterdam <e3d3698b2ccd5955e4adf250d0785062d0f9018b@google.com>

golang/pkgsite,golang/pkgsite,golang/pkgsite,golang/pkgsite