repl: move complete to its own file

[RedYetiDev]

This PR moves a large function from repl.js into it's own file, internal/repl/complete.js. This is an attempt to slowly declutter the file.

[codecov]

Codecov Report

Attention: Patch coverage is 97.90476% with 11 lines in your changes missing coverage. Please review.

Project coverage is 88.08%. Comparing base (7014e50) to head (5a62c67).
Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
lib/internal/repl/complete.js	97.70%	8 Missing and 3 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #54989      +/-   ##
==========================================
+ Coverage   88.06%   88.08%   +0.01%     
==========================================
  Files         652      653       +1     
  Lines      183545   183705     +160     
  Branches    35854    35853       -1     
==========================================
+ Hits       161648   161818     +170     
+ Misses      15146    15139       -7     
+ Partials     6751     6748       -3     

Files with missing lines	Coverage Δ
lib/internal/repl/utils.js	95.92% <100.00%> (+0.18%)	⬆️
lib/repl.js	93.97% <100.00%> (-0.90%)	⬇️
lib/internal/repl/complete.js	97.70% <97.70%> (ø)

... and 28 files with indirect coverage changes

[RedYetiDev]

@nodejs/repl

[anonrig]

Moving these to new files will have an impact on node.js startup time.

[RedYetiDev]

Moving these to new files will have an impact on node.js startup time.

How much of an impact? It is negligible?

[aduh95]

Moving these to new files will have an impact on node.js startup time.

Why would that be?