chore: remove prepublishOnly guards

Changesets already handles workspace:* → real version resolution
during publish. The guard scripts are unnecessary and block the
release flow.

packages/cli-json-cas/package.json

@@ -7,8 +7,7 @@
     "ucas": "./src/index.ts"
   },
   "scripts": {
-    "test": "bun test",
-    "prepublishOnly": "echo '请用 bun run release 从根目录发版' && exit 1"
+    "test": "bun test"
   },
   "dependencies": {
     "@uncaged/json-cas": "^0.6.0",

packages/json-cas-fs/package.json

@@ -15,8 +15,7 @@
     "src"
   ],
   "scripts": {
-    "test": "bun test",
-    "prepublishOnly": "echo '请用 bun run release 从根目录发版' && exit 1"
+    "test": "bun test"
   },
   "dependencies": {
     "@uncaged/json-cas": "^0.6.0",

packages/json-cas/package.json

@@ -15,8 +15,7 @@
     "src"
   ],
   "scripts": {
-    "test": "bun test",
-    "prepublishOnly": "echo '请用 bun run release 从根目录发版' && exit 1"
+    "test": "bun test"
   },
   "dependencies": {
     "ajv": "^8.20.0",