chore(.editorconfig): use 2 spaces as indent_size

.editorconfig

@@ -1,20 +1,17 @@
-# This file is for unifying the coding style for different editors and IDEs.
+# This file is for unifying the coding style for different editors and IDEs
 # More information at http://EditorConfig.org
 
 # No .editorconfig files above the root directory
 root = true
 
 [*]
 charset = utf-8
-indent_size = 4
+indent_size = 2
 end_of_line = lf
 indent_style = space
 trim_trailing_whitespace = true
 insert_final_newline = true
 
-[*.{bemjson.js,deps.js}]
-indent_size = 4
-
 [{bower,package}.json]
 indent_size = 2