python: fix RDEPENDS on several recipes, due to non-existent packages

The packaging has been altered slightly so ensure the dependencies are all still
valid.

(From OE-Core rev: 3328211afdef8ffb00dd4dff1143959d5412b075)

Signed-off-by: Alejandro Hernandez <alejandro.hernandez@linux.intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-devtools/python/python-setuptools.inc

@@ -30,15 +30,12 @@ RDEPENDS_${PN} = "\
   ${PYTHON_PN}-distutils \
   ${PYTHON_PN}-email \
   ${PYTHON_PN}-html \
-  ${PYTHON_PN}-importlib \
   ${PYTHON_PN}-netserver \
   ${PYTHON_PN}-numbers \
   ${PYTHON_PN}-pkgutil \
   ${PYTHON_PN}-plistlib \
   ${PYTHON_PN}-shell \
-  ${PYTHON_PN}-subprocess \
   ${PYTHON_PN}-stringold \
-  ${PYTHON_PN}-textutils \
   ${PYTHON_PN}-threading \
   ${PYTHON_PN}-unittest \
   ${PYTHON_PN}-xml \