fix: remove application_config changes since we use system state instead

Author: localai-bot

core/config/application_config.go

@@ -88,10 +88,6 @@ type ApplicationConfig struct {
 
 	OpenResponsesStoreTTL time.Duration // TTL for Open Responses store (0 = no expiration)
 
-	BackendImagesReleaseTag string // Release tag for backend images (e.g., "latest")
-	BackendImagesBranchTag  string // Branch tag for backend images (e.g., "master")
-	BackendDevSuffix        string // Development suffix for backend images (e.g., "development")
-
 	PathWithoutAuth []string
 }
 
@@ -486,26 +482,6 @@ func WithOpenResponsesStoreTTL(ttl time.Duration) AppOption {
 	}
 }
 
-
-func WithBackendImagesReleaseTag(tag string) AppOption {
-	return func(o *ApplicationConfig) {
-		o.BackendImagesReleaseTag = tag
-	}
-}
-
-func WithBackendImagesBranchTag(tag string) AppOption {
-	return func(o *ApplicationConfig) {
-		o.BackendImagesBranchTag = tag
-	}
-}
-
-func WithBackendDevSuffix(suffix string) AppOption {
-	return func(o *ApplicationConfig) {
-		o.BackendDevSuffix = suffix
-	}
-}
-
-
 func WithEnforcedPredownloadScans(enforced bool) AppOption {
 	return func(o *ApplicationConfig) {
 		o.EnforcePredownloadScans = enforced