feat(build/server): only transpile for node

[JAdshead]

Description

Updated to babel-preset-amex@V3.4.0 which included to option to transpile for Node only.
Update build:server to transpile for Node only.

Motivation and Context

Remove unnecessary transpilations for the server build of one-app.

How Has This Been Tested?

Locally served modules, unit and integration tests

Types of Changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation (adding or updating documentation)

Checklist:

• My change requires a change to the documentation and I have updated the documentation accordingly.
• These changes should be applied to a maintenance branch.
• This change requires cross browser checks.
• Performance tests should be ran against the server prior to merging.
• This change impacts caching for client browsers.
• This change impacts HTTP headers.
• This change adds additional environment variable requirements for One App users.
• I have added the Apache 2.0 license header to any new files created.

What is the Impact to Developers Using One App?

None

[oneamexbot]

📊 Bundle Size Report

file name	size on disk	gzip
app.js	113.2KB	31.7KB
runtime.js	15KB	5.4KB
vendors.js	119.6KB	36.9KB
app~vendors.js	432.4KB	112.2KB
service-worker-client.js	16.9KB	5.2KB
legacy/app.js	122.3KB	33.8KB
legacy/runtime.js	15KB	5.4KB
legacy/vendors.js	166.4KB	45.5KB
legacy/app~vendors.js	441KB	114.4KB
legacy/service-worker-client.js	17.4KB	5.4KB

Generated by 🚫 dangerJS against 8f00836