development/idlex: Build with python3 by default

development/idlex/README

@@ -3,8 +3,3 @@ provide additional functionality to IDLE, a Python IDE provided in
 the standard library. It transforms IDLE into a more useful tool for
 academic research and development as well as exploratory programming.
 IdleX runs with Python 2.6, 2.7, and 3.x.
-
-If you want to build this for use with Python 3.x (needs the optional
-dependency python3) pass the script PYTHON3=yes, like:
-
-PYTHON3=yes ./idlex.SlackBuild

development/idlex/idlex.SlackBuild

@@ -69,10 +69,7 @@ find -L . \
  \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
   -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;
 
-PYTHON=python
-[ "${PYTHON3:-no}" = "yes" ] && PYTHON=python3
-
-$PYTHON setup.py install --root=$PKG
+python3 setup.py install --root=$PKG
 
 find $PKG -print0 | xargs -0 file | grep -e "executable" -e "shared object" | grep ELF \
   | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true