bpo-34006: Revert line length limit for Windows help docs (GH-8051)

bpo-34006: Revert line length limit for Windows help docs (GH-8051) · python/cpython@4d02ad8

Original file line number	Diff line number	Diff line change
`@@ -131,6 +131,9 @@ if exist ..\Misc\NEWS (`
`131`	`131`	`if NOT "%PAPER%" == "" (`
`132`	`132`	`set SPHINXOPTS=-D latex_elements.papersize=%PAPER% %SPHINXOPTS%`
`133`	`133`	`)`
	`134`	`+if "%1" EQU "htmlhelp" (`
	`135`	`+set SPHINXOPTS=-D html_theme_options.body_max_width=none %SPHINXOPTS%`
	`136`	`+)`
`134`	`137`	`cmd /S /C "%SPHINXBUILD% %SPHINXOPTS% -b%1 -dbuild\doctrees . "%BUILDDIR%\%1" %2 %3 %4 %5 %6 %7 %8 %9"`
`135`	`138`
`136`	`139`	`if "%1" EQU "htmlhelp" (`