Build Tooling: Remove redundant esprima.js source file.

Delete 'src/js/_enqueues/vendor/esprima.js' as it is redundant; the build process correctly sources the latest version directly from 'node_modules/esprima/dist/esprima.js', consistent with project standards for third-party libraries.

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

Author: westonruter