src/myspell/Makefile.am: remove EXTRA_DIST files from deleted myspell sources
src/myspell/Makefile.am: remove EXTRA_DIST files from deleted myspell sources

rrthomas/enchant,TingPing/enchant,TingPing/enchant,albbas/enchant,albbas/enchant,AbiWord/enchant,TingPing/enchant,albbas/enchant,albbas/enchant,AbiWord/enchant,rrthomas/enchant,rrthomas/enchant,rrthomas/enchant,AbiWord/enchant,TingPing/enchant,TingPing/enchant,AbiWord/enchant