hide caching settings when its disabled (#34756) (#34769)

(cherry picked from commit 3aba08f708)

Co-authored-by: Kevin Minehart <kmineh0151@gmail.com>

packages/grafana-runtime/src/config.ts

@@ -83,6 +83,9 @@ export class GrafanaBootConfig implements GrafanaConfig {
   azure: AzureSettings = {
     managedIdentityEnabled: false,
   };
+  caching = {
+    enabled: false,
+  };
 
   constructor(options: GrafanaBootConfig) {
     const mode = options.bootData.user.lightTheme ? 'light' : 'dark';