Fix glob patterns in .editorconfig

[*.{xml}] matched eg. foo.{xml} but not foo.xml

Author: vhenzl

.editorconfig

@@ -10,18 +10,18 @@ trim_trailing_whitespace = true
 indent_style = tab
 indent_size = 4
 
-[*.{xml}]
+[*.xml]
 indent_style = tab
 indent_size = 4
 
-[*.{neon}]
+[*.neon]
 indent_style = tab
 indent_size = 4
 
 [*.{yaml,yml}]
 indent_style = space
 indent_size = 2
 
-[{composer.json}]
+[composer.json]
 indent_style = tab
 indent_size = 4