remove grammar extensions

extensions/ruby/language-configuration.json

@@ -1,31 +0,0 @@
-{
-	"comments": {
-		"lineComment": "#",
-		"blockComment": [ "=begin", "=end" ]
-	},
-	"brackets": [
-		["{", "}"],
-		["[", "]"],
-		["(", ")"]
-	],
-	"autoClosingPairs": [
-		["{", "}"],
-		["[", "]"],
-		["(", ")"],
-		{ "open": "\"", "close": "\"", "notIn": ["string"] },
-		{ "open": "'", "close": "'", "notIn": ["string"] },
-		{ "open": "`", "close": "`", "notIn": ["string"] }
-	],
-	"surroundingPairs": [
-		["{", "}"],
-		["[", "]"],
-		["(", ")"],
-		["\"", "\""],
-		["'", "'"],
-		["`", "`"]
-	],
-	"indentationRules": {
-		"increaseIndentPattern": "^\\s*((begin|class|(private|protected)\\s+def|def|else|elsif|ensure|for|if|module|rescue|unless|until|when|while|case)|([^#]*\\sdo\\b)|([^#]*=\\s*(case|if|unless)))\\b([^#\\{;]|(\"|'|\/).*\\4)*(#.*)?$",
-		"decreaseIndentPattern": "^\\s*([}\\]]([,)]?\\s*(#|$)|\\.[a-zA-Z_]\\w*\\b)|(end|rescue|ensure|else|elsif|when)\\b)"
-	}
-}