Remove expandable() from configuration examples (#349)

Author: dpvc

input/tex/extensions/autoload.rst

@@ -134,7 +134,7 @@ The default autoload definitions are the following:
 
    MathJax = {
      tex: {
-       autoload: expandable({
+       autoload: {
          action: ['toggle', 'mathtip', 'texttip'],
          amscd: [[], ['CD']],
          bbox: ['bbox'],
@@ -186,7 +186,7 @@ array.  E.g., to not autoload the :ref:`tex-color` extension, use
 
    MathJax = {
      tex: {
-       autoload: expandable({
+       autoload: {
          color: []
        }
      }
@@ -199,7 +199,7 @@ If you define your own extensions, and they have a prefix other than
 
    MathJax = {
      tex: {
-       autoload: expandable({
+       autoload: {
          '[extensions]/myExtension' : ['myMacro', 'myOtherMacro']
        }
      }

input/tex/extensions/require.rst

@@ -59,14 +59,14 @@ following values:
    MathJax = {
      tex: {
        require: {
-         allow: expandable({
+         allow: {
            base: false,
            autoload: false,
            configmacros: false,
            tagformat: false,
            setoptions: false,
            texhtml: false,
-         }),
+         },
          defaultAllow: true,
          prefix: 'tex'
        }