Remove deprecated page vars (#1638)

content/en/variables/hugo.md

@@ -1,49 +0,0 @@
----
-title: Hugo-specific Variables
-linktitle: Hugo Variables
-description: The `.Hugo` variable provides easy access to Hugo-related data.
-date: 2017-03-12
-publishdate: 2017-03-12
-lastmod: 2017-03-12
-categories: [variables and params]
-keywords: [hugo,generator]
-draft: false
-menu:
-  docs:
-    parent: "variables"
-    weight: 60
-weight: 60
-sections_weight: 60
-aliases: []
-toc: false
-wip: false
----
-
-{{% warning "Deprecated" %}}
-Page's `.Hugo` is deprecated and will be removed in a future release. Use the global `hugo` function.
-For example: `hugo.Generator`.
-{{% /warning %}}
-
-It contains the following fields:
-
-.Hugo.Generator
-: `<meta>` tag for the version of Hugo that generated the site. `.Hugo.Generator` outputs a *complete* HTML tag; e.g. `<meta name="generator" content="Hugo 0.18" />`
-
-.Hugo.Version
-: the current version of the Hugo binary you are using e.g. `0.13-DEV`<br>
-
-.Hugo.Environment
-: the current running environment as defined through the `--environment` cli tag.
-
-.Hugo.CommitHash
-: the git commit hash of the current Hugo binary e.g. `0e8bed9ccffba0df554728b46c5bbf6d78ae5247`
-
-.Hugo.BuildDate
-: the compile date of the current Hugo binary formatted with RFC 3339 e.g. `2002-10-02T10:00:00-05:00`<br>
-
-
-
-{{% note "Use the Hugo Generator Tag" %}}
-We highly recommend using `.Hugo.Generator` in your website's `<head>`. `.Hugo.Generator` is included by default in all themes hosted on [themes.gohugo.io](https://themes.gohugo.io). The generator tag allows the Hugo team to track the usage and popularity of Hugo.
-{{% /note %}}
-

content/en/variables/page.md

@@ -48,9 +48,6 @@ See [`.Scratch`](/functions/scratch/) for page-scoped, writable variables.
 .Description
 : the description for the page.
 
-.Dir
-: the path of the folder containing this content file. The path is relative to the `content` folder.
-
 .Draft
 : a boolean, `true` if the content is marked as a draft in the front matter.
 
@@ -63,9 +60,6 @@ See [`.Scratch`](/functions/scratch/) for page-scoped, writable variables.
 .FuzzyWordCount
 : the approximate number of words in the content.
 
-.Hugo
-: see [Hugo Variables](/variables/hugo/).
-
 .IsHome
 : `true` in the context of the [homepage](/templates/homepage/).
 
@@ -185,9 +179,6 @@ https://remarkjs.com)
 .Type
 : the [content type](/content-management/types/) of the content (e.g., `posts`).
 
-.UniqueID (deprecated)
-: the MD5-checksum of the content file's path. This variable is deprecated and will be removed, use `.File.UniqueID` instead.
-
 .Weight
 : assigned weight (in the front matter) to this content, used in sorting.