dev-python/rstcheck: Apply corrections related to review

setuptools dep is already added by the eclass.

Eclass is also including for test pytest with more restricted version
than I defined.

Looks like upstream does not include any docs that need compiling, so
this line can go.

Package-Manager: Portage-2.3.99, Repoman-2.3.23
Signed-off-by: Samuel Bernardo <samuelbernardo.mail@gmail.com>

dev-python/rstcheck/rstcheck-3.3.1.ebuild

@@ -21,19 +21,15 @@ RDEPEND="
 	dev-python/docutils[${PYTHON_USEDEP}]
 "
 BDEPEND="
-	dev-python/setuptools[${PYTHON_USEDEP}]
 	>=dev-python/setuptools_scm-1.15.0[${PYTHON_USEDEP}]
 	test? (
 		${RDEPEND}
 		dev-python/path-py[${PYTHON_USEDEP}]
-		>=dev-python/pytest-3.4[${PYTHON_USEDEP}]
 	)
 "
 
 S="${WORKDIR}/${P}"
 
-distutils_enable_sphinx docs ">=dev-python/jaraco-packaging-3.2"
-
 python_test() {
 	# Ignore the module from ${S}, use the one from ${BUILD_DIR}
 	# Otherwise, ImportMismatchError may occur