gpg4win: removes unnecessary env paths (#17075)

Author: haussmann

bucket/gpg4win.json

@@ -9,10 +9,6 @@
         "Start-Process \"$dir\\$fname\" -ArgumentList @('/S', \"/D=$dir\\Gpg4win\") -WindowStyle Hidden -Wait",
         "Remove-Item \"$dir\\$fname\""
     ],
-    "env_add_path": [
-        "GnuPG\\bin",
-        "Gpg4win\\bin"
-    ],
     "pre_uninstall": "Start-Process \"$dir\\Gpg4win\\gpg4win-uninstall.exe\" '/S' -Wait",
     "checkver": {
         "url": "https://www.gpg4win.org/get-gpg4win.html",