Remove markdown injection

editors/code/.vscodeignore

@@ -10,6 +10,5 @@
 !package-lock.json
 !package.json
 !ra_syntax_tree.tmGrammar.json
-!rustdoc.markdown.injection.tmGrammar.json
 !server
 !README.md

editors/code/package.json

@@ -1646,16 +1646,6 @@
                 "language": "ra_syntax_tree",
                 "scopeName": "source.ra_syntax_tree",
                 "path": "ra_syntax_tree.tmGrammar.json"
-            },
-            {
-                "scopeName": "source.rustdoc.markdown.injection",
-                "path": "rustdoc.markdown.injection.tmGrammar.json",
-                "injectTo": [
-                    "source.rust"
-                ],
-                "embeddedLanguages": {
-                    "meta.embedded.block.markdown": "text.html.markdown"
-                }
             }
         ],
         "problemMatchers": [

editors/code/rustdoc.markdown.injection.tmGrammar.json

@@ -1,23 +0,0 @@
-{
-    "$schema": "https://raw.githubusercontent.com/martinring/tmlanguage/master/tmlanguage.json",
-    "scopeName": "source.rustdoc.markdown.injection",
-    "injectionSelector": "L:source.rust",
-    "patterns": [
-        {
-            "include": "#doc-comment-line"
-        }
-    ],
-    "repository": {
-        "doc-comment-line": {
-            "name": "comment.line.documentation.rust",
-            "begin": "^\\s*//(/|!)",
-            "end": "$",
-            "contentName": "meta.embedded.block.markdown",
-            "patterns": [
-                {
-                    "include": "text.html.markdown"
-                }
-            ]
-        }
-    }
-}