Revert 01d224d

The older ruby-beautify implementation handled
incorrect syntax more gracefully.

Author: samaaron

app/server/sonicpi/lib/sonicpi/spider.rb

@@ -543,7 +543,7 @@ def __complete_snippet_or_indent_lines(workspace_id, buf, start_line, finish_lin
       end
 
       # Beautify buffer
-      beautiful = RubyBeautify.pretty_string buf_lines.join, indent_token: " ", indent_count: 2
+      beautiful = RBeautify.beautify_string :ruby, buf_lines.join
 
       # calculate amount of whitespace at start of beautified line
       beautiful_lines = beautiful.lines.to_a
@@ -587,7 +587,7 @@ def __beautify_buffer(id, buf, line, index, first_line)
       prev_ws_len = prev_line[/\A */].size
 
       # Beautify buffer
-      beautiful = RubyBeautify.pretty_string buf, indent_token: " ", indent_count: 2
+      beautiful = RBeautify.beautify_string :ruby, buf
 
       # calculate amount of whitespace at start of beautified line
       beautiful_lines = beautiful.lines.to_a