webdeps: vendor busy.mp3 (#1252);

mainly with reproducible builds in mind,
and after all it's only 106 bytes

scripts/deps-docker/Dockerfile

@@ -56,9 +56,9 @@ RUN     mkdir -p /z/dist/no-pk \
         && tar --no-same-owner -xf zopfli.tgz
 
 
-COPY    busy-mp3.sh /z/
-RUN     /z/busy-mp3.sh \
-        && mv -v /dev/shm/busy.mp3.gz /z/dist
+#COPY    busy-mp3.sh /z/
+#RUN     /z/busy-mp3.sh \
+#        && mv -v /dev/shm/busy.mp3.gz /z/dist
 
 
 # build fonttools (which needs zopfli)

scripts/deps-docker/genprism.sh

@@ -188,7 +188,7 @@ langs=(
     # nevod
     # nginx
     nim
-    # nix
+    nix
     # nsis
     objectivec
     # ocaml