Avoid top-level `with ...;` in pkgs/development/compilers/gerbil/gerbil-support.nix

The set of names to inherit was generated by running this in a loop until it did not error:

```
nix-instantiate --parse pkgs/development/compilers/gerbil/gerbil-support.nix
```

pkgs/development/compilers/gerbil/gerbil-support.nix

@@ -1,11 +1,52 @@
 { pkgs, lib, callPackage, ... }:
 
-with pkgs.gerbil-support; {
+let
+  inherit (builtins) filterSource;
 
-  pppToName = ppp: lib.removeSuffix ".nix" (baseNameOf ppp); # from pre-package path to name
+  inherit (lib)
+    commitIdFromGitRepo
+    concatStringsSep
+    elem
+    elemAt
+    hasSuffix
+    listToAttrs
+    mapAttrs
+    optionalString
+    pathExists
+    readFile
+    removeSuffix
+    substring
+    traceSeqN
+    ;
+
+  inherit (lib.strings) match;
+
+  # Implicitly calls through to this file, similar to `let .. in` or `rec`.
+  inherit (pkgs.gerbil-support)
+    callPpp
+    gerbilLoadPath
+    gerbilPackage
+    gerbilPackages-unstable
+    gerbilSkippableFiles
+    gerbilSourceFilter
+    overrideSrcIfShaDiff
+    ppaToPl
+    pppToKV
+    pppToName
+    ppplToPpa
+    prePackage-defaults
+    prePackages-unstable
+    resolve-pre-src
+    sha256-of-pre-src
+    view
+    ;
+in
+
+{
+  pppToName = ppp: removeSuffix ".nix" (baseNameOf ppp); # from pre-package path to name
   callPpp = ppp: callPackage ppp prePackage-defaults; # from pre-package path to pre-package
   pppToKV = ppp: { name = pppToName ppp; value = callPpp ppp; }; # from pre-package path to name
-  ppplToPpa = ppps: builtins.listToAttrs (map pppToKV ppps); # from pre-package path list to name/pre-package attr
+  ppplToPpa = ppps: listToAttrs (map pppToKV ppps); # from pre-package path list to name/pre-package attr
 
   prePackages-unstable =
     ppplToPpa
@@ -32,37 +73,37 @@ with pkgs.gerbil-support; {
     softwareName = "";
   };
 
-  ppaToPl = builtins.mapAttrs (_: gerbilPackage);
+  ppaToPl = mapAttrs (_: gerbilPackage);
   gerbilPackages-unstable = ppaToPl prePackages-unstable;
 
   resolve-pre-src = pre-src: pre-src.fun (removeAttrs pre-src ["fun"]);
 
   gerbilVersionFromGit = srcDir: version-path:
     let version-file = "${srcDir}/${version-path}.ss"; in
-    if builtins.pathExists version-file then
+    if pathExists version-file then
       let m =
-        builtins.match "\\(import :clan/versioning.*\\)\n\\(register-software \"([-_.A-Za-z0-9]+)\" \"([-_.A-Za-z0-9]+)\"\\) ;; ([-0-9]+)\n"
-          (builtins.readFile version-file); in
-          { version = "${builtins.elemAt m 2}-git"; git-version = builtins.elemAt m 1; }
+        match "\\(import :clan/versioning.*\\)\n\\(register-software \"([-_.A-Za-z0-9]+)\" \"([-_.A-Za-z0-9]+)\"\\) ;; ([-0-9]+)\n"
+          (readFile version-file); in
+          { version = "${elemAt m 2}-git"; git-version = elemAt m 1; }
      else { version = "0.0-git";
             git-version = let gitpath = "${srcDir}/.git"; in
-              if builtins.pathExists gitpath then lib.commitIdFromGitRepo gitpath else "0"; };
+              if pathExists gitpath then commitIdFromGitRepo gitpath else "0"; };
 
   gerbilSkippableFiles = [".git" ".build" ".build_outputs" "run" "result" "dep" "BLAH" "tmp.nix"];
 
   gerbilSourceFilter = path: type:
     let baseName = baseNameOf path; in
-      ! (builtins.elem baseName gerbilSkippableFiles || lib.hasSuffix "~" baseName);
+      ! (elem baseName gerbilSkippableFiles || hasSuffix "~" baseName);
 
-  gerbilFilterSource = builtins.filterSource gerbilSourceFilter;
+  gerbilFilterSource = filterSource gerbilSourceFilter;
 
   # Use this function in any package that uses Gerbil libraries, to define the GERBIL_LOADPATH.
   gerbilLoadPath =
-    gerbilInputs: builtins.concatStringsSep ":" (map (x: x + "/gerbil/lib") gerbilInputs);
+    gerbilInputs: concatStringsSep ":" (map (x: x + "/gerbil/lib") gerbilInputs);
 
   path-src = path: { fun = _: path; };
 
-  view = lib.debug.traceSeqN 4;
+  view = traceSeqN 4;
 
   sha256-of-pre-src = pre-src: if pre-src ? sha256 then pre-src.sha256 else "none";
 
@@ -75,7 +116,7 @@ with pkgs.gerbil-support; {
                        pre-src = new-pre-src;
                        version = "override";
                        git-version = if new-pre-src ? rev
-                                     then lib.substring 0 7 new-pre-src.rev
+                                     then substring 0 7 new-pre-src.rev
                                      else "unknown";};
                      };
 
@@ -102,10 +143,10 @@ with pkgs.gerbil-support; {
 
       postPatch = ''
         set -e ;
-        ${lib.optionalString (version-path != "")
-          ''echo -e '(import :clan/versioning${builtins.concatStringsSep ""
+        ${optionalString (version-path != "")
+          ''echo -e '(import :clan/versioning${concatStringsSep ""
                      (map (x: let px = x.passthru.pre-pkg; in
-                              lib.optionalString (px.version-path != "")
+                              optionalString (px.version-path != "")
                                 " :${px.gerbil-package}/${px.version-path}")
                           gerbilInputs)
                      })\n(register-software "${softwareName}" "v${git-version}")\n' > "${version-path}.ss"''}