ucharcat.sty no longer needed after latest update of texlive

Doc/UserManual/ucharcat.sty

-%%
-%% This is file `ucharcat.sty',
-%% generated with the docstrip utility.
-%%
-%% The original source files were:
-%%
-%% ucharcat.dtx  (with options: `package')
-%% 
-%% Source File: textcase.dtx
-%% Copyright 2015 David Carlisle
-%%
-%% This file may be distributed under the terms of the LPPL.
-%% See README for details.
-\NeedsTeXFormat{LaTeX2e}
-\ProvidesPackage{ucharcat}
-       [2015/11/19 v0.03 ucharcat for luaLaTeX  (DPC)]
-\ifx\directlua\@undefined
-\ifx\Ucharcat\@undefined
-\ifx\XeTeXinterchartokenstate\@undefined
-\PackageError{ucharcat}
-{\string\Ucharcat\space may only be used with xetex and luatex}
-{skipping package}
-\else
-\PackageError{ucharcat}
-{\string\Ucharcat\space is defined in xetex releases from 2015 only}
-{skipping package}
-\fi
-\fi
-\expandafter\endinput
-\fi
-\ifx\newcatcodetable\@undefined
-  \chardef\ucharcat@table"7000
-  \directlua{tex.enableprimitives("",{"initcatcodetable"})}
-  \initcatcodetable\ucharcat@table
-\else
-  \newcatcodetable\ucharcat@table
-\fi
-\directlua{%
-local nt = newtoken or token
-function UcharcatLua()
-  local mych = nt.scan_int()
-  local mycat = nt.scan_int()
-  tex.setcatcode(\the\numexpr\ucharcat@table\relax,mych,mycat)
-  tex.sprint(\the\numexpr\ucharcat@table\relax,unicode.utf8.char(mych))
-end
-}
-\def\Ucharcat{\directlua{UcharcatLua()}}
-\endinput
-%%
-%% End of file `ucharcat.sty'.