Remove mistakenly commited changes

Signed-off-by: Shinnosuke Sawada-Dazai <[email protected]>

pkg/config/application.go

@@ -21,7 +21,6 @@ import (
  "path/filepath"
  "strings"
 
- "github.com/creasty/defaults"
  "github.com/pipe-cd/pipecd/pkg/model"
 )
 
@@ -61,22 +60,6 @@ type GenericApplicationSpec struct {
  DriftDetection *DriftDetection `json:"driftDetection"`
 }
 
-func (s *GenericApplicationSpec) UnmarshalJSON(data []byte) error {
- type Alias GenericApplicationSpec
- var aux Alias
-
- if err := json.Unmarshal(data, &aux); err != nil {
- return err
- }
-
- if err := defaults.Set(&aux); err != nil {
- return err
- }
-
- *s = GenericApplicationSpec(aux)
- return nil
-}
-
 type DeploymentPlanner struct {
  // Disable auto-detecting to use QUICK_SYNC or PROGRESSIVE_SYNC.
  // Always use the speficied pipeline for all deployments.