[DRE-maint] Bug#1030870: Drop unneeded dependency on ruby-coffee-script

[Pirate Praveen]

Package: tdiary-core
Version: 5.2.3-1
Severity: serious
Justification: ruby-coffee-script is deprecated and we want to remove 
it in bookworm
Control: block 1019927 by -1

ruby-coffee-script is deprecated (#1019927) and we'd like to remove it 
from bookworm (this and ruby-jekyll-coffeescript are the lats two 
packages still depending on ruby-coffee-script).

It looks 
https://salsa.debian.org/ruby-team/tdiary/-/blob/master/tdiary.gemspec 
does not list ruby-coffee-script, so it should be easy to drop it from 
Depends.

If you really want to use coffeescript in this package, you can still 
use the coffee command line (which also supports -t option to generate 
ES5 output, which is no longer the default in coffeescript 2).