lint fixes (#14)

* lint fixes

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

config/default_test.go

@@ -145,7 +145,7 @@ func TestConfigWatcherDirtyOverrite(t *testing.T) {
 
 	l := 100
 
-	ss := make([]source.Source, l, l)
+	ss := make([]source.Source, l)
 
 	for i := 0; i < l; i++ {
 		ss[i] = memory.NewSource(memory.WithJSON([]byte(fmt.Sprintf(`{"key%d": "val%d"}`, i, i))))

config/reader/json/values.go

@@ -54,7 +54,6 @@ func (j *jsonValues) Del(path ...string) {
 	vals := j.sj.GetPath(path[:len(path)-1]...)
 	vals.Del(path[len(path)-1])
 	j.sj.SetPath(path[:len(path)-1], vals.Interface())
-	return
 }
 
 func (j *jsonValues) Set(val interface{}, path ...string) {

config/source/flag/flag.go

@@ -37,7 +37,6 @@ func (fs *flagsrc) Read() (*source.ChangeSet, error) {
 		}
 
 		mergo.Map(&changes, tmp) // need to sort error handling
-		return
 	}
 
 	unset, ok := fs.opts.Context.Value(includeUnsetKey{}).(bool)