removed ".env" references from comments, documentation

controller/internal/sync/sync.go

@@ -301,7 +301,7 @@ func (s *Syncer) buildRepoURL() string {
 }
 
 // copyTemplates copies docker-compose.yml and .felhom.yml from the catalog cache
-// to the stacks directory. Never overwrites app.yaml or .env files.
+// to the stacks directory. Never overwrites app.yaml.
 func (s *Syncer) copyTemplates() (newApps []string, updated []string, err error) {
 	templatesDir := filepath.Join(s.cacheDir, "templates")
 	entries, err := os.ReadDir(templatesDir)
@@ -327,7 +327,7 @@ func (s *Syncer) copyTemplates() (newApps []string, updated []string, err error)
 			}
 		}
 
-		// Files to sync (only template files, never app.yaml or .env)
+		// Files to sync (only template files, never app.yaml)
 		syncFiles := []string{"docker-compose.yml", ".felhom.yml"}
 		anyChanged := false