Merge branch 'remove-references-to-config-file-in-dast-docs' into 'master'

Remove ENV vars for ZAP config file from DAST docs

See merge request gitlab-org/gitlab!34418

doc/user/application_security/dast/index.md

@@ -471,9 +471,6 @@ DAST can be [configured](#customizing-the-dast-settings) using environment varia
 | `DAST_INCLUDE_ALPHA_VULNERABILITIES` | no | Include alpha passive and active scan rules. Boolean. `true`, `True`, or `1` are considered as true value, otherwise false. Defaults to `false`. |
 | `DAST_USE_AJAX_SPIDER` | no | Use the AJAX spider in addition to the traditional spider, useful for crawling sites that require JavaScript. Boolean. `true`, `True`, or `1` are considered as true value, otherwise false. Defaults to `false`. |
 | `DAST_ZAP_CLI_OPTIONS` | no | ZAP server command-line options. For example, `-Xmx3072m` would set the Java maximum memory allocation pool size. |
-| `DAST_ZAP_GENERATE_CONFIG` | no | The file name of the generated sample ZAP configuration file for use with `DAST_ZAP_CONFIG_FILE`. |
-| `DAST_ZAP_CONFIG_FILE` | no | Name of configuration file used to determine thresholds of vulnerability rules. |
-| `DAST_ZAP_CONFIG_URL` | no | URL of configuration file used to determine thresholds of vulnerability rules. |
 | `DAST_ZAP_LOG_CONFIGURATION` | no | Set to a semicolon-separated list of additional log4j properties for the ZAP Server. For example, `log4j.logger.org.parosproxy.paros.network.HttpSender=DEBUG` |
 
 ### DAST command-line options