remove old pagination config & introduce new article grouping config

layout/_partial/archive.ejs

@@ -1,4 +1,4 @@
-<% if (pagination == 2){ %>
+<% if (!theme.groupByYear){ %>
   <% page.posts.each(function(post){ %>
     <%- partial('article', {post: post, index: true}) %>
   <% }) %>

layout/archive.ejs

@@ -1 +1 @@
-<%- partial('_partial/archive', {pagination: config.archive, index: true}) %>
+<%- partial('_partial/archive', {index: true}) %>

layout/category.ejs

@@ -1 +1 @@
-<%- partial('_partial/archive', {pagination: config.category, index: true}) %>
+<%- partial('_partial/archive', {index: true}) %>

layout/index.ejs

@@ -1 +1 @@
-<%- partial('_partial/archive', {pagination: 2, index: true}) %>
+<%- partial('_partial/archive', {index: true}) %>

layout/tag.ejs

@@ -1 +1 @@
-<%- partial('_partial/archive', {pagination: config.tag, index: true}) %>
+<%- partial('_partial/archive', {index: true}) %>