fix(deps): remove unused vscode-languageclient

The inline range conversion no longer relies on vscode-languageclient, leaving no runtime, build, test, type, or configuration usage.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: Copilot

package-lock.json

@@ -1402,7 +1402,6 @@
     "dotenv": "^17.4.2",
     "lodash": "^4.18.0",
     "vscode-extension-telemetry-wrapper": "^0.15.3",
-    "vscode-languageclient": "10.1.0",
     "vscode-languageserver-types": "3.16.0",
     "vscode-tas-client": "^0.1.84"
   },