Remove the remark messaging linter (#449)

Remove the messaging linter from our remark-based linting setup in
gravitational/docs so we can move the linter to the vale configuration
in gravitational/teleport.

.remarkrc.mjs

@@ -11,9 +11,7 @@ import {
 } from "./.build/server/docs-helpers.mjs";
 import {
   loadConfig,
-  loadMessagingConfig,
 } from "./.build/server/config-docs.mjs";
-import { remarkLintMessaging } from "./.build/server/remark-lint-messaging.mjs";
 
 const configFix = {
   settings: {
@@ -76,10 +74,6 @@ const configLint = {
     // Disabling the remarkLintFrontmatter check until we fix
     // gravitational/docs#80
     // [remarkLintFrontmatter, ["error"]],
-    [
-      remarkLintMessaging,
-      loadMessagingConfig(resolve("messaging-config.json")),
-    ],
   ],
 };
 

server/config-docs.ts

@@ -13,7 +13,6 @@ import { existsSync, readFileSync } from "fs";
 import { isExternalLink, isHash, splitPath } from "../utils/url";
 import { NavigationCategory, NavigationItem } from "../layouts/DocsPage/types";
 import { loadConfig as loadSiteConfig } from "./config-site";
-import { RemarkLintMessagingOptions } from "./remark-lint-messaging";
 
 const { latest } = loadSiteConfig();
 export interface Config {
@@ -130,32 +129,6 @@ const validator = ajv.compile({
   additionalProperties: false,
 });
 
-// Schema for the document that configures the messaging linter
-const messagingConfigValidator = ajv.compile({
-  type: "array",
-  items: {
-    type: "object",
-    properties: {
-      incorrect: {
-        type: "string",
-      },
-      correct: {
-        type: "string",
-      },
-      explanation: {
-        type: "string",
-      },
-      where: {
-        type: "array",
-        items: {
-          type: "string",
-          enum: ["title", "description", "comments", "body", "headers"],
-        },
-      },
-    },
-  },
-});
-
 /*
  * We store relative paths in the config so we don't need to change them all
  * when we add new version, but for next/link and next/router to work they should be absolte.
@@ -356,16 +329,3 @@ export const loadConfig = (version: string) => {
 
   return normalize(config, version);
 };
-
-export const loadMessagingConfig = (
-  path: string
-): RemarkLintMessagingOptions => {
-  if (!existsSync(path)) {
-    throw Error(`File ${path} does not exist.`);
-  }
-  const content = readFileSync(path, "utf-8");
-  const config = JSON.parse(content) as RemarkLintMessagingOptions;
-  validateConfig<RemarkLintMessagingOptions>(messagingConfigValidator, config);
-
-  return config;
-};