Various code-cleanup

remove unnescessary import aliases, brackets, and so on.

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
Upstream-commit: f23c00d8701e4bd0f2372a586dacbf66a26f9a51
Component: engine

components/engine/hack/integration-cli-on-swarm/agent/master/set_test.go

@@ -8,7 +8,7 @@ import (
 )
 
 func generateInput(inputLen int) []string {
-	input := []string{}
+	var input []string
 	for i := 0; i < inputLen; i++ {
 		input = append(input, fmt.Sprintf("s%d", i))
 	}
@@ -21,7 +21,7 @@ func testChunkStrings(t *testing.T, inputLen, numChunks int) {
 	input := generateInput(inputLen)
 	result := chunkStrings(input, numChunks)
 	t.Logf("result has %d chunks", len(result))
-	inputReconstructedFromResult := []string{}
+	var inputReconstructedFromResult []string
 	for i, chunk := range result {
 		t.Logf("chunk %d has %d elements", i, len(chunk))
 		inputReconstructedFromResult = append(inputReconstructedFromResult, chunk...)