remove unnecessary filter and column

plugins/rainlab/blog/controllers/posts/config_filter.yaml

@@ -4,19 +4,19 @@
 
 scopes:
 
-    category:
+    # category:
 
-        # Filter name
-        label: rainlab.blog::lang.posts.filter_category
+    #     # Filter name
+    #     label: rainlab.blog::lang.posts.filter_category
 
-        # Model Class name
-        modelClass: RainLab\Blog\Models\Category
+    #     # Model Class name
+    #     modelClass: RainLab\Blog\Models\Category
 
-        # Model attribute to display for the name
-        nameFrom: name
+    #     # Model attribute to display for the name
+    #     nameFrom: name
 
-        # Apply query scope
-        scope: FilterCategories
+    #     # Apply query scope
+    #     scope: FilterCategories
 
     published:
 

plugins/rainlab/blog/models/post/columns.yaml

@@ -14,12 +14,12 @@ columns:
     #   select: login
     #   searchable: true
 
-    categories:
-        label: rainlab.blog::lang.post.categories
-        relation: categories
-        select: name
-        searchable: true
-        sortable: false
+    # categories:
+    #     label: rainlab.blog::lang.post.categories
+    #     relation: categories
+    #     select: name
+    #     searchable: true
+    #     sortable: false
 
     created_at:
         label: rainlab.blog::lang.post.created