Move `sh` files to git instead of annex

config.yml

@@ -1,3 +1,3 @@
 annex:
     minsize: 0
-    exclude: ["*README*", "*LICENSE*", "config*", "*.py", "**/.git*"]
+    exclude: ["*README*", "*LICENSE*", "config*", "*.py", "*.sh", "**/.git*"]

nix/generate_nix_testfiles.sh

@@ -1 +0,0 @@
-../.git/annex/objects/M3/1W/MD5E-s630--e85960f0e86bc3f2d0454cf2b65e9529.sh/MD5E-s630--e85960f0e86bc3f2d0454cf2b65e9529.sh

nix/generate_nix_testfiles.sh

@@ -0,0 +1 @@
+/annex/objects/MD5E-s630--e85960f0e86bc3f2d0454cf2b65e9529.sh