python-pexpect: drop old version recipe

Drop old version recipe of python-pexpect and use the one in oe-core
which version is 3.3 now. And according to release notes of version 3.0,
"The new major version number doesn’t indicate any deliberate API
incompatibility."

Ref:
http://pexpect.readthedocs.org/en/stable/history.html

Signed-off-by: Kai Kang <kai.kang@windriver.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>

meta-python/recipes-devtools/python/python-pexpect_2.3.bb

@@ -1,23 +0,0 @@
-SUMMARY = "A Pure Python Expect like Module for Python"
-SECTION = "devel/python"
-LICENSE = "PSF"
-LIC_FILES_CHKSUM = "file://LICENSE;md5=04a2bf11b85ce49d4a8c0c413fd34404"
-SRCNAME = "pexpect"
-PR = "ml3"
-
-SRC_URI = "${SOURCEFORGE_MIRROR}/${SRCNAME}/${SRCNAME}-${PV}.tar.gz"
-S = "${WORKDIR}/${SRCNAME}-${PV}"
-
-inherit distutils
-
-RDEPENDS_${PN} = "\
-    python-core \
-    python-io \
-    python-terminal \
-    python-resource \
-    python-fcntl \
-"
-
-
-SRC_URI[md5sum] = "bf107cf54e67bc6dec5bea1f3e6a65c3"
-SRC_URI[sha256sum] = "d315e7f3a8544fd85034d7e17fd7c5854e8f0828f5791f83cf313f8fa5740b75"