docs: remove azure builder reference

This builder is not compatible with newer versions of the Angular CLI.

See angular#23255 for more context

Closes angular#23255

Author: alan-agius4

packages/angular/cli/src/commands/deploy/cli.ts

@@ -21,10 +21,6 @@ export class DeployCommandModule
       name: 'Amazon S3',
       value: '@jefiozie/ngx-aws-deploy',
     },
-    {
-      name: 'Azure',
-      value: '@azure/ng-deploy',
-    },
     {
       name: 'Firebase',
       value: '@angular/fire',