feat: Update documentation on configuring Babel

[Robin-Hoodie]

Updated documentation on configuring Babel removing the section on passing '{"modules": false}' as that is no longer needed since Babel 7

This PR contains:

• bugfix
• feature
• refactor
• documentation
• other

Are tests included?

• yes (bugfixes and features will not be merged without tests)
• no

Breaking Changes?

• yes (breaking changes will not be merged unless absolutely necessary)
• no

List any relevant issue numbers: #3717

Description

I'm not sure if I should add some documentation on using {"modules": false} for Babel <7, what do you think?

[codecov]

Codecov Report

Merging #3818 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #3818   +/-   ##
=======================================
  Coverage   97.05%   97.05%           
=======================================
  Files         185      185           
  Lines        6482     6482           
  Branches     1877     1877           
=======================================
  Hits         6291     6291           
  Misses        101      101           
  Partials       90       90           

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[lukastaegert]

👍