Update Markdown documentation for code blocks and hashtags

- Changed the fenced code block notation from "template-type" to "language" for clarity in the Fenced Code Blocks documentation.
- Removed outdated example code from the Hashtags documentation to streamline content and improve focus on relevant information.

website/Markdown/Fenced Code Blocks.md

@@ -2,7 +2,7 @@ Blocks use the fenced code block notation of [[Markdown]], and assign special be
 
 The general syntax is:
 
-    ```template-type
+    ```language
     block configuration
     ```
 

website/Markdown/Hashtags.md

@@ -6,7 +6,3 @@ Hashtags can contain letters, dashes, underscores and other characters, but not:
 - Consist of digits only like #123
 
 If you need your tags to contain these characters, you have to surround the tag content with angle brackets like this: #<my tag>
-
-```query
-tag where page = @page.name
-```