Revert "fix: pagination_dir setting (#98)"

This reverts commit 59aeb87.

Author: yoshinorin

lib/generator.js

@@ -8,7 +8,7 @@ module.exports = function(locals) {
 
   posts.data.sort((a, b) => (b.sticky || 0) - (a.sticky || 0));
 
-  const paginationDir = config.index_generator.pagination_dir || config.pagination_dir || 'page';
+  const paginationDir = config.pagination_dir || 'page';
   const path = config.index_generator.path || '';
 
   return pagination(path, posts, {

test/index.js

@@ -123,7 +123,7 @@ describe('Index generator', () => {
     });
   });
 
-  it('custom pagination_dir - global setting', () => {
+  it('custom pagination_dir', () => {
     hexo.config.index_generator.per_page = 1;
     hexo.config.pagination_dir = 'yo';
 
@@ -135,18 +135,4 @@ describe('Index generator', () => {
 
   });
 
-  it('custom pagination_dir - plugin setting', () => {
-    hexo.config.index_generator.per_page = 1;
-    hexo.config.index_generator.pagination_dir = 'yoyo';
-
-    const result = generator(locals);
-
-    result[0].path.should.eql('');
-    result[1].path.should.eql('yoyo/2/');
-    result[2].path.should.eql('yoyo/3/');
-
-    // Restore config
-    hexo.config.index_generator.per_page = 10;
-    hexo.config.index_generator.pagination_dir = 'page';
-  });
 });