Remove non-functional example command and fix other one (#5272)

[Preview](https://docs-getdbt-com-git-dbeatty10-patch-1-dbt-labs.vercel.app/reference/node-selection/syntax)

## What are you changing in this pull request and why?

Noticed a couple code examples that won't work as-is, so fixed them by
removing:
- double quotes surrounding all the CLI flags
- `--defer` flag for `ls` command

## Checklist
- [x] Review the [Content style
guide](https://github.com/dbt-labs/docs.getdbt.com/blob/current/contributing/content-style-guide.md)
so my content adheres to these guidelines.

website/docs/reference/node-selection/syntax.md

@@ -111,7 +111,7 @@ Constructing and debugging your selection syntax can be challenging.  To get a "
 dbt ls --select "path/to/my/models" # Lists all models in a specific directory.
 dbt ls --select "source_status:fresher+" # Shows sources updated since the last dbt source freshness run.
 dbt ls --select state:modified+ # Displays nodes modified in comparison to a previous state.
-dbt ls --select "result:<status>+ state:modified+ --defer --state ./<dbt-artifact-path>" # Lists nodes that match certain [result statuses](/reference/node-selection/syntax#the-result-status) and are modified.
+dbt ls --select "result:<status>+" state:modified+ --state ./<dbt-artifact-path> # Lists nodes that match certain [result statuses](/reference/node-selection/syntax#the-result-status) and are modified.
 ```
 
 <Snippet path="discourse-help-feed-header" />
@@ -186,7 +186,7 @@ After issuing one of the above commands, you can reference the results by adding
 
 ```bash
 # You can also set the DBT_STATE environment variable instead of the --state flag.
-dbt run --select "result:<status> --defer --state path/to/prod/artifacts"
+dbt run --select "result:<status>" --defer --state path/to/prod/artifacts
 ```
 
 The available options depend on the resource (node) type: 
@@ -205,7 +205,7 @@ The available options depend on the resource (node) type:
 The state and result selectors can also be combined in a single invocation of dbt to capture errors from a previous run OR any new or modified models.
 
 ```bash
-dbt run --select "result:<status>+ state:modified+ --defer --state ./<dbt-artifact-path>"
+dbt run --select "result:<status>+" state:modified+ --defer --state ./<dbt-artifact-path>
 ```
 
 ### Fresh rebuilds