feat(overlays): use coreutils-doge for uname patch

overlays/patches/coreutils.patch

@@ -0,0 +1,13 @@
+diff --git a/src/uname.c b/src/uname.c
+index 385674f..f802714 100644
+--- a/src/uname.c
++++ b/src/uname.c
+@@ -371,7 +371,7 @@ main (int argc, char **argv)
+     }
+ 
+   if (toprint & PRINT_OPERATING_SYSTEM)
+-    print_element (HOST_OPERATING_SYSTEM);
++    print_element ("Doge/Linux");
+ 
+   putchar ('\n');
+ 

overlays/patches/default.nix

@@ -0,0 +1,5 @@
+final: prev: {
+  coreutils-doge = prev.coreutils.overrideAttrs (old: {
+    patches = old.patches ++ [ ./coreutils.patch ];
+  });
+}

users/profiles/emacs.nix

@@ -22,7 +22,6 @@ in
     packages = with pkgs; lib.flatten [
       clang
       cmake
-      coreutils
       fd
       fzf
       gnumake