Merge branch 'recipe-cleanup' into 'master'

recipes/dev/fontconfig/recipe.toml

recipes/dev/pkg-config/recipe.toml

recipes/libs/expat/recipe.toml

recipes/libs/freetype2/recipe.toml

recipes/libs/glib/recipe.toml

recipes/libs/harfbuzz/recipe.toml

recipes/libs/libffi/recipe.toml

recipes/libs/libflac/recipe.toml

recipes/libs/libiconv/recipe.toml

recipes/libs/libogg/recipe.toml

recipes/libs/libpng/recipe.toml

recipes/libs/libsodium/recipe.toml

recipes/libs/libssh2/recipe.toml

recipes/libs/libvorbis/recipe.toml

recipes/libs/libxml2/recipe.toml

recipes/libs/readline/recipe.toml

recipes/net/nghttp2/recipe.toml

recipes/tools/gettext/recipe.toml

recipes/tools/xz/recipe.toml