chore!: remove deprecated endpoint livechat/room.visitor #26805

Job	Run time
⚙️ Variables Setup	3s
🚀 Notify external services - draft	40s
📦 Build Packages	0s
📦 Meteor Build - coverage	0s
🔎 Code Check	0s
🔨 Test Unit	0s
🚢 Build Docker Images for Testing	0s
🚢 Build Docker Image (preview)	0s
🔨 Test UI (CE)	0s
🔨 Test API (CE)	0s
🔨 Test API (EE)	0s
🔨 Test UI (EE)	0s
🔨 Test UI (EE)	0s
✅ Tests Done	1s
📦 Meteor Build - official	0s
🚢 Build Docker Images for Production	0s
🚀 Publish build assets	0s
🚀 Publish Docker Image (services)	0s
🚀 Publish Docker Image (main)	0s
Update Version Durability	0s
🚀 Notify external services	0s
trigger-dependent-workflows	0s
	44s

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