Remove redundant --keep-going when running Sphinx (#1544)

Author: hugovk

Makefile

@@ -10,8 +10,8 @@ SPHINXBUILD  = $(VENVDIR)/bin/sphinx-build
 # there are duplicate labels.  These cause warnings, which prevent the
 # build from finishing.  Turn off --fail-on-warning so we can see the
 # finished results.
-#SPHINXOPTS   = --fail-on-warning --keep-going
-SPHINXOPTS   = --keep-going
+#SPHINXOPTS   = --fail-on-warning
+SPHINXOPTS   =
 BUILDDIR     = _build
 BUILDER      = html
 JOBS         = auto

make.bat

@@ -11,7 +11,7 @@ if "%PYTHON%" == "" (
 )
 
 set BUILDDIR=_build
-set SPHINXOPTS=--fail-on-warning --keep-going
+set SPHINXOPTS=--fail-on-warning
 set _ALL_SPHINX_OPTS=%SPHINXOPTS%
 
 if "%1" == "check" goto check

make.ps1

@@ -8,7 +8,7 @@ Set-StrictMode -Version 3.0
 $ErrorActionPreference = "Stop"
 
 $BUILDDIR = "_build"
-$SPHINXOPTS = "--fail-on-warning --keep-going"
+$SPHINXOPTS = "--fail-on-warning"
 $_ALL_SPHINX_OPTS = $SPHINXOPTS
 
 $_PYTHON = $Env:PYTHON ?? "py -3"