[8.16] [Automatic Import] Cel template fixes (#196945) (#196978)

# Backport

This will backport the following commits from `main` to `8.16`:
- [[Automatic Import] Cel template fixes
(#196945)](https://github.com/elastic/kibana/pull/196945)

<!--- Backport version: 9.4.3 -->

### Questions ?
Please refer to the [Backport tool
documentation](https://github.com/sqren/backport)

<!--BACKPORT [{"author":{"name":"Kylie
Meli","email":"kylie.geller@elastic.co"},"sourceCommit":{"committedDate":"2024-10-19T13:56:55Z","message":"[Automatic
Import] Cel template fixes (#196945)\n\n## Summary\r\n\r\nThis PR
corrects the CEL template so that it can successfully
complete\r\npackage policy installation. The fixes are 1) adding a
template path,\r\nand 2) removing the common template values from the
cel templates.\r\n\r\nTested and verified with and without the CEL
generation FF
enabled.","sha":"15390e4cdb9aecca5ba5782b0081cb244dbd1a08","branchLabelMapping":{"^v9.0.0$":"main","^v8.17.0$":"8.x","^v(\\d+).(\\d+).\\d+$":"$1.$2"}},"sourcePullRequest":{"labels":["release_note:skip","v9.0.0","v8.16.0","Team:Security-Scalability","backport:version"],"title":"[Automatic
Import] Cel template
fixes","number":196945,"url":"https://github.com/elastic/kibana/pull/196945","mergeCommit":{"message":"[Automatic
Import] Cel template fixes (#196945)\n\n## Summary\r\n\r\nThis PR
corrects the CEL template so that it can successfully
complete\r\npackage policy installation. The fixes are 1) adding a
template path,\r\nand 2) removing the common template values from the
cel templates.\r\n\r\nTested and verified with and without the CEL
generation FF
enabled.","sha":"15390e4cdb9aecca5ba5782b0081cb244dbd1a08"}},"sourceBranch":"main","suggestedTargetBranches":["8.16"],"targetPullRequestStates":[{"branch":"main","label":"v9.0.0","branchLabelMappingKey":"^v9.0.0$","isSourceBranch":true,"state":"MERGED","url":"https://github.com/elastic/kibana/pull/196945","number":196945,"mergeCommit":{"message":"[Automatic
Import] Cel template fixes (#196945)\n\n## Summary\r\n\r\nThis PR
corrects the CEL template so that it can successfully
complete\r\npackage policy installation. The fixes are 1) adding a
template path,\r\nand 2) removing the common template values from the
cel templates.\r\n\r\nTested and verified with and without the CEL
generation FF
enabled.","sha":"15390e4cdb9aecca5ba5782b0081cb244dbd1a08"}},{"branch":"8.16","label":"v8.16.0","branchLabelMappingKey":"^v(\\d+).(\\d+).\\d+$","isSourceBranch":false,"state":"NOT_CREATED"}]}]
BACKPORT-->

Co-authored-by: Kylie Meli <kylie.geller@elastic.co>

x-pack/plugins/integration_assistant/server/templates/agent/cel.yml.hbs

@@ -146,18 +146,4 @@ resource.rate_limit.burst: {{resource_rate_limit_burst}}
 {{#if enable_request_tracer}}
 resource.tracer.filename: "../../logs/cel/http-request-trace-*.ndjson"
 resource.tracer.maxbackups: 5
-{{/if}}
-
-{{#if tags}}
-tags:
-{{#each tags as |tag|}}
-  - {{tag}}
-{{/each}}
-{{/if}}
-{{#contains "forwarded" tags}}
-publisher_pipeline.disable_host: true
-{{/contains}}
-{{#if processors}}
-processors:
-{{processors}}
 {{/if}}

x-pack/plugins/integration_assistant/server/templates/manifest/cel_manifest.yml.njk

@@ -1,4 +1,5 @@
 - input: cel
+  template_path: cel.yml.hbs
   title: |
     {{ data_stream_title }}
   description: |
@@ -308,21 +309,6 @@
       show_user: false
       multi: false
       required: false
-    - name: processors
-      type: yaml
-      title: Processors
-      multi: false
-      required: false
-      show_user: false
-      description: >
-        Processors are used to reduce the number of fields in the exported event or to enhance the event with metadata. This executes in the agent before the logs are parsed. See [Processors](https://www.elastic.co/guide/en/beats/filebeat/current/filtering-and-enhancing-data.html) for details.
-    - name: tags
-      type: text
-      title: Tags
-      multi: true
-      show_user: false
-      default:
-        - forwarded
     - name: enable_request_tracer
       type: bool
       title: Enable request tracing