Removed Scalatra from scala-steward

Author: yadavan88

.scala-steward.conf

@@ -40,4 +40,4 @@ updates.pin  = []
 # Default: "${default}" which is equivalent to "Update ${artifactName} to ${nextVersion}"
 commits.message = "Update ${artifactName} from ${currentVersion} to ${nextVersion}"
 
-buildRoots = [".", "scalatra"]
+buildRoots = ["."]