chore: cleanup

netlify.toml

@@ -1,6 +1,6 @@
 [build.environment]
-  NPM_FLAGS = "--prefix=/dev/null"
-  NODE_VERSION = "14"
+  NPM_FLAGS = "--version"
+  NODE_VERSION = "16"
 
 [build]
   publish = "dist"
@@ -10,8 +10,3 @@
   from = "/*"
   to = "/index.html"
   status = 200
-
-[[headers]]
-  for = "/manifest.webmanifest"
-  [headers.values]
-    Content-Type = "application/manifest+json"