Bump to libpkgx 0.16

* Will fix some errors due to invalid pantry parsing
* Removes platform specific moustaches devenvs, these weren't documented so even though this is strictly a breaking change I would be willing to risk the tea protocol slash consequences for it in a tea protocol future

Refs #882
Refs #865

deno.jsonc

@@ -32,10 +32,10 @@
   },
   "imports": {
     "is-what": "https://deno.land/x/[email protected]/src/index.ts",
-    "pkgx": "https://deno.land/x/libpkgx@v0.15.2/mod.ts",
-    "pkgx/": "https://deno.land/x/libpkgx@v0.15.2/src/",
+    "pkgx": "https://deno.land/x/libpkgx@v0.16.0/mod.ts",
+    "pkgx/": "https://deno.land/x/libpkgx@v0.16.0/src/",
     "outdent": "https://deno.land/x/[email protected]/mod.ts",
     "cliffy/": "https://deno.land/x/[email protected]/",
-    "deno/": "https://deno.land/[email protected]/"
+    "deno/": "https://deno.land/[email protected]/" // cliffy is on 196, try to consolidate to their choice
   }
 }

src/utils/devenv.ts

@@ -308,7 +308,7 @@ export default async function(dir: Path) {
       //TODO deprecate moustaches and instead use env vars
 
       const foo = [
-        ...moustaches.tokenize.host(),
+        //FIXME ...moustaches.tokenize.host(),
         { from: "home", to: Path.home().string },  //TODO deprecate and use $HOME once pantry is migrated
         { from: "srcroot", to: dir.string }  //TODO deprecate and use $PWD once pantry is migrated
       ]