Remove Python 2.6

*** 31,41 ****
  VER=2.0.12
  PKG=developer/swig
  SUMMARY="The Simplified Wrapper and Interface Generator (swig)"
  DESC="$SUMMARY"
  
! BUILD_DEPENDS_IPS="runtime/perl runtime/python-26"
  
  CONFIGURE_OPTS="--disable-ccache"
  
  init
  download_source $PROG $PROG $VER
--- 31,41 ----
  VER=2.0.12
  PKG=developer/swig
  SUMMARY="The Simplified Wrapper and Interface Generator (swig)"
  DESC="$SUMMARY"
  
! BUILD_DEPENDS_IPS="runtime/perl runtime/python-27"
  
  CONFIGURE_OPTS="--disable-ccache"
  
  init
  download_source $PROG $PROG $VER