ci: remove manifest validation steps from CI workflow

The validation steps were redundant as kustomize build output is already validated during the actual deployment. This simplifies the workflow without compromising safety.

Author: ahmetk3436

.github/workflows/cicd.yml

@@ -151,10 +151,6 @@ jobs:
         working-directory: manifest-ahmetcoskunkizilkaya/overlays/dev
         run: kustomize edit set image harbor2.ahmetcoskunkizilkaya.com/app-ahmetcoskunkizilkaya/eshoponweb:${{ steps.vars.outputs.image_tag }}
 
-      - name: Validate manifests
-        working-directory: manifest-ahmetcoskunkizilkaya/overlays/dev
-        run: kustomize build . | kubectl apply --dry-run=client -f -
-
       - name: Commit & Push manifests
         run: |
           cd manifest-ahmetcoskunkizilkaya
@@ -212,10 +208,6 @@ jobs:
         working-directory: manifest-ahmetcoskunkizilkaya/overlays/prod
         run: kustomize edit set image harbor2.ahmetcoskunkizilkaya.com/app-ahmetcoskunkizilkaya/eshoponweb:${{ steps.vars.outputs.image_tag }}
 
-      - name: Validate manifests
-        working-directory: manifest-ahmetcoskunkizilkaya/overlays/prod
-        run: kustomize build . | kubectl apply --dry-run=client -f -
-
       - name: Commit & Push manifests
         run: |
           cd manifest-ahmetcoskunkizilkaya