remove grammar extensions

extensions/cpp/cgmanifest.json

@@ -1,45 +0,0 @@
-{
-	"registrations": [
-		{
-			"component": {
-				"type": "git",
-				"git": {
-					"name": "jeff-hykin/cpp-textmate-grammar",
-					"repositoryUrl": "https://github.com/jeff-hykin/cpp-textmate-grammar",
-					"commitHash": "f074a48ae0b7ba313af3faf3d8bfda8537864bd1"
-				}
-			},
-			"license": "MIT",
-			"version": "1.15.5",
-			"description": "The files syntaxes/c.json and syntaxes/c++.json were derived from https://github.com/atom/language-c which was originally converted from the C TextMate bundle https://github.com/textmate/c.tmbundle."
-		},
-		{
-			"component": {
-				"type": "git",
-				"git": {
-					"name": "textmate/c.tmbundle",
-					"repositoryUrl": "https://github.com/textmate/c.tmbundle",
-					"commitHash": "60daf83b9d45329524f7847a75e9298b3aae5805"
-				}
-			},
-			"licenseDetail": [
-				"Copyright (c) textmate-c.tmbundle authors",
-				"",
-				"If not otherwise specified (see below), files in this repository fall under the following license:",
-				"",
-				"Permission to copy, use, modify, sell and distribute this",
-				"software is granted. This software is provided \"as is\" without",
-				"express or implied warranty, and with no claim as to its",
-				"suitability for any purpose.",
-				"",
-				"An exception is made for files in readable text which contain their own license information,",
-				"or files where an accompanying file exists (in the same directory) with a \"-license\" suffix added",
-				"to the base-name name of the original file, and an extension of txt, html, or similar. For example",
-				"\"tidy\" is accompanied by \"tidy-license.txt\"."
-			],
-			"license": "TextMate Bundle License",
-			"version": "0.0.0"
-		}
-	],
-	"version": 1
-}