remove mention of obsolete parameter.

we're now always watching. :)

go/qst.go

@@ -22,8 +22,6 @@ qst - detects the current project type and runs it
qst hello.rb - runs `ruby hello.rb`
qst hello.go - compiles & runs hello.go
qst -watch hello.go - watches changes to hello.go and recompiles and runs it on changes
*/
var mappings = map[string]func(string) string{