docs: reorganize messaging API sections

Co-Authored-By: Adil <adil@lix-it.com>

Author: devin-ai-integration[bot]

source/includes/_conversations.md

@@ -734,86 +734,6 @@ curl --request GET \
 
 This endpoint uses **1 Standard Credit**.
 
-## Send Connection
-
-This endpoint sends a LinkedIn connection request with an optional note from a standard LinkedIn account.
-
-<aside class="notice">
-Uses 1 Standard Credit.
-</aside>
-
-<aside class="warning">
-Weekly send limits apply to each LinkedIn account:
-
-- **Sales Navigator accounts:** 100 connection requests per week
-- **Standard LinkedIn accounts:** 50 connection requests per week
-
-The limit is reset at 00:00 UTC on Monday. If the limit is exceeded the API returns `429 Too Many Requests` with a `Retry-After` header.
-</aside>
-
-```python
-import requests
-import json
-
-url = "https://api.lix-it.com/v1/connections/send"
-
-payload = json.dumps({
-  "viewer_id": "ACoAACABCDEF1234567",
-  "profile_link": "https://www.linkedin.com/in/jane-doe-example",
-  "message": "I would like to add you to my professional network."
-})
-
-headers = {
-  'Content-Type': 'application/json',
-  'Authorization': lix_api_key
-}
-
-response = requests.request("POST", url, headers=headers, data=payload)
-
-print(response.json())
-```
-
-```shell
-curl --request POST \
-  --url 'https://api.lix-it.com/v1/connections/send' \
-  --header 'Authorization: lixApiKey' \
-  --header 'Content-Type: application/json' \
-  --data '{"viewer_id":"ACoAACABCDEF1234567","profile_link":"https://www.linkedin.com/in/jane-doe-example","message":"I would like to add you to my professional network."}'
-```
-
-> The above command returns JSON structured like this:
-
-```json
-{
-  "success": true,
-  "entity_urn": "urn:li:fsd_invitation:1234567890123456789"
-}
-```
-
-If the weekly send limit is reached, the API returns:
-
-```json
-{
-  "error": {
-    "type": "rate_limit",
-    "message": "weekly connection request limit reached"
-  }
-}
-```
-
-### HTTP Request
-
-`POST https://api.lix-it.com/v1/connections/send`
-
-### Body Parameters
-
-Parameter | Required | Description
---------- | -------- | -----------
-viewer_id | true | The LinkedIn ID of the account you would like to send the connection request from
-profile_link | true* | The LinkedIn profile URL of the person you would like to connect with
-profile_id | true* | The public identifier of the person you would like to connect with (e.g., "jane-doe-example"). Either profile_link or profile_id must be provided.
-message | false | A personalised note to send with the connection request. Maximum 300 characters.
-
 ## Organisation
 <aside class="notice">
 Uses 1 Organisation credit.