Doc: Drop now unused make suspicious and rstlint.

They have been replaced by
[sphinx-lint](https://github.com/sphinx-contrib/sphinx-lint).

closes pythongh-86404.

Doc/Makefile

@@ -22,7 +22,7 @@ ALLSPHINXOPTS = -b $(BUILDER) -d build/doctrees $(PAPEROPT_$(PAPER)) -j auto \
                 $(SPHINXOPTS) $(SPHINXERRORHANDLING) . build/$(BUILDER) $(SOURCES)
 
 .PHONY: help build html htmlhelp latex text texinfo changes linkcheck \
-	suspicious coverage doctest pydoc-topics htmlview clean dist check serve \
+	coverage doctest pydoc-topics htmlview clean dist check serve \
 	autobuild-dev autobuild-stable venv
 
 help:
@@ -42,7 +42,6 @@ help:
 	@echo "  doctest    to run doctests in the documentation"
 	@echo "  pydoc-topics  to regenerate the pydoc topics file"
 	@echo "  dist       to create a \"dist\" directory with archived docs for download"
-	@echo "  suspicious to check for suspicious markup in output text"
 	@echo "  check      to run a check for frequent markup errors"
 
 build:
@@ -110,18 +109,6 @@ linkcheck:
 	     "or in build/$(BUILDER)/output.txt"; \
 	false; }
 
-suspicious: BUILDER = suspicious
-suspicious:
-	@$(MAKE) build BUILDER=$(BUILDER) || { \
-	echo "Suspicious check complete; look for any errors in the above output" \
-	     "or in build/$(BUILDER)/suspicious.csv.  If all issues are false" \
-	     "positives, append that file to tools/susp-ignored.csv."; \
-	false; }
-	@echo "⚠ make suspicious is deprecated and will be removed soon."
-	@echo "⚠ Use:"
-	@echo "⚠     make check"
-	@echo "⚠ instead."
-
 coverage: BUILDER = coverage
 coverage: build
 	@echo "Coverage finished; see c.txt and python.txt in build/coverage"

Doc/README.rst

@@ -93,9 +93,6 @@ Available make targets are:
   plain text documentation for the labels defined in
   ``tools/pyspecific.py`` -- pydoc needs these to show topic and keyword help.
 
-* "suspicious", which checks the parsed markup for text that looks like
-  malformed and thus unconverted reST.
-
 * "check", which checks for frequent markup errors.
 
 * "serve", which serves the build/html directory on port 8000.

Doc/make.bat

@@ -109,7 +109,7 @@ echo.always available include:
 echo.
 echo.   Provided by Sphinx:
 echo.      html, htmlhelp, latex, text
-echo.      suspicious, linkcheck, changes, doctest
+echo.      linkcheck, changes, doctest
 echo.   Provided by this script:
 echo.      clean, check, htmlview
 echo.

Doc/tools/extensions/pyspecific.py

@@ -37,10 +37,6 @@
     from sphinx.domains.python import PyClassmember as PyMethod
     from sphinx.domains.python import PyModulelevel as PyFunction
 
-# Support for checking for suspicious markup
-
-import suspicious
-
 
 ISSUE_URI = 'https://bugs.python.org/issue?@action=redirect&bpo=%s'
 GH_ISSUE_URI = 'https://github.com/python/cpython/issues/%s'
@@ -686,7 +682,6 @@ def setup(app):
     app.add_directive('audit-event-table', AuditEventListDirective)
     app.add_directive('deprecated-removed', DeprecatedRemoved)
     app.add_builder(PydocTopicsBuilder)
-    app.add_builder(suspicious.CheckSuspiciousMarkupBuilder)
     app.add_object_type('opcode', 'opcode', '%s (opcode)', parse_opcode_signature)
     app.add_object_type('pdbcommand', 'pdbcmd', '%s (pdb command)', parse_pdb_command)
     app.add_object_type('2to3fixer', '2to3fixer', '%s (2to3 fixer)')