chore: remove CLI export from packages/core

- Remove ./cli export from package.json
- Delete packages/core/src/cli.ts (only used by apps/cli)

Command: git rm packages/core/src/cli.ts

packages/core/package.json

@@ -5,7 +5,6 @@
 	"type": "module",
 	"exports": {
 		".": "./src/index.ts",
-		"./cli": "./src/cli.ts",
 		"./browser": "./src/browser.ts"
 	},
 	"scripts": {

packages/core/src/cli.ts

@@ -1,6 +0,0 @@
-/**
- * Cli-safe exports for the core package.
- */
-
-export * from "./debug-log/index.js"
-export * from "./message-utils/index.js"