Remove references to viper in comments

Signed-off-by: Bogdan Drutu <bogdandrutu@gmail.com>

config/configmapprovider/properties.go

@@ -55,8 +55,7 @@ func convert(propsStr []string, cfgMap *config.Map) error {
 		return err
 	}
 
-	// Create a map manually instead of using properties.Map() to allow env var expansion
-	// as used by original Viper-based config.Map.
+	// Create a map manually instead of using properties.Map() to not expand the env vars.
 	parsed := make(map[string]interface{}, props.Len())
 	for _, key := range props.Keys() {
 		value, _ := props.Get(key)

internal/testcomponents/example_exporter.go

@@ -36,7 +36,7 @@ type ExampleExporter struct {
 	ExtraListSetting        []string                 `mapstructure:"extra_list"`
 }
 
-// Unmarshal a viper data into the config struct
+// Unmarshal a config.Map data into the config struct
 func (cfg *ExampleExporter) Unmarshal(componentParser *config.Map) error {
 	return componentParser.UnmarshalExact(cfg)
 }