simplify Julia config (#1811)

* simplify Julia config

* remove trailing whitespace

languages.toml

@@ -468,17 +468,9 @@ language-server = { command = "julia", args = [
     "--history-file=no",
     "--quiet",
     "-e",
-        """
+    "using LanguageServer; runserver()",
-                using LanguageServer;
-                using Pkg;
-                import StaticLint;
-                env_path = dirname(Pkg.Types.Context().env.project_file);
-                server = LanguageServer.LanguageServerInstance(stdin, stdout, env_path, "");
-                server.runlinter = true;
-                run(server);
-        """,
     ] }
-indent = { tab-width = 2, unit = "  " }
+indent = { tab-width = 4, unit = "    " }
 
 [[grammar]]
 name = "julia"