py-wsproto: update to 0.14.0

* Drop older Python subports. The only port using py-wsproto is
  py-mitmproxy, which is now py37-only.
* Remove a merged patch file

python/py-graveyard/Portfile

@@ -354,6 +354,7 @@ py-webob                1.8.2_1     26
 py-werkzeug             0.14.1_1    26 33
 py-whoosh               2.5.7_1     34
 py-wordaxe              0.3.3_1     26
+py-wsproto              0.14.0      27 36
 py-xarray               0.11.0      34
 py-xdg                  0.25_1      26 33
 py-xmpppy               0.4.1_2     26

python/py-wsproto/Portfile

@@ -4,7 +4,7 @@ PortSystem          1.0
 PortGroup           python 1.0
 
 name                py-wsproto
-version             0.13.0
+version             0.14.0
 
 categories-append   net www
 platforms           darwin
@@ -21,11 +21,11 @@ homepage            https://github.com/python-hyper/wsproto
 distname            ${python.rootname}-${version}
 master_sites        pypi:[string index ${python.rootname} 0]/${python.rootname}/
 
-checksums           rmd160  71370f8bf40dd1f11f27ad8d3ff83b16b9ca7dc5 \
-                    sha256  fd6020d825022247053400306448e161d8740bdd52e328e5553cd9eee089f705 \
-                    size    50758
+checksums           rmd160  525936c256da69977097490353c2feaf18978285 \
+                    sha256  55c3da870460e8838b2fbe4d10f3accc0cea3a13d5e8dbbdc6da5d537d6d44dc \
+                    size    51540
 
-python.versions     27 36 37
+python.versions     37
 
 if {${name} ne ${subport}} {
     depends_build-append    port:py${python.version}-setuptools