Remove WWW entries moved into port Makefiles
Commit b7f05445c00f has added WWW entries to port Makefiles based on
WWW: lines in pkg-descr files.
This commit removes the WWW: lines of moved-over URLs from these
Approved by: portmgr (tcberner)
PyAL is a wrapper around the OpenAL library and as such similar to the
discontinued PyOpenAL project. In contrast to PyOpenAL, it has no licensing
restrictions, nor does it rely on C code, but uses ctypes instead.