No longer bundle external library sources

ext/fiddle/extlibs

@@ -1,13 +0,0 @@
-ver = 3.2.1
-pkg = libffi-$(ver)
-
-https://ftp.osuosl.org/pub/blfs/conglomeration/libffi/$(pkg).tar.gz \
-  md5:83b89587607e3eb65c70d361f13bab43 \
-  sha512:980ca30a8d76f963fca722432b1fe5af77d7a4e4d2eac5144fbc5374d4c596609a293440573f4294207e1bdd9fda80ad1e1cafb2ffb543df5a275bc3bd546483 \
-  #
-	win32/$(pkg)-mswin.patch -p0
-
-$(pkg)/config.guess -> /tool/config.guess
-$(pkg)/config.sub -> /tool/config.sub
-
-! chdir: $(pkg)| autoconf || exit 0

ext/psych/extlibs

@@ -1,11 +0,0 @@
-ver = 0.2.5
-pkg = yaml-$(ver)
-
-https://github.com/yaml/libyaml/releases/download/$(ver)/$(pkg).tar.gz \
-	rmd160:cc175ed640046722fb7790de828002633407b6b9 \
-	sha256:c642ae9b75fee120b2d96c712538bd2cf283228d2337df2cf2988e3c02678ef4 \
-	sha512:dadd7d8e0d88b5ebab005e5d521d56d541580198aa497370966b98c904586e642a1cd4f3881094eb57624f218d50db77417bbfd0ffdce50340f011e35e8c4c02 \
-	#
-
-$(pkg)/config/config.guess -> /tool/config.guess
-$(pkg)/config/config.sub -> /tool/config.sub