style: consolidate for loops

Signed-off-by: Jesse Simpson <jesse.simpson36@gmail.com>

pkg/engine/engine.go

@@ -419,14 +419,7 @@ func cleanupExecError(filename string, err error) error {
 	}
 
 	for i, fileLocation := range fileLocations {
-		fileLocations[i] = fileLocation.FilterLocation()
-	}
-
-	for i, fileLocation := range fileLocations {
-		fileLocations[i] = fileLocation.FilterUnnecessaryWords()
-	}
-
-	for i, fileLocation := range fileLocations {
+		fileLocations[i] = fileLocation.FilterLocation().FilterUnnecessaryWords()
 		if fileLocation.message == "" {
 			continue
 		}