remove ?raw=true from img path

Author: guimachiavelli

learn/relevancy/ranking_rules.mdx

@@ -110,7 +110,7 @@ The `attribute` rule sorts the results by [attribute importance](/learn/relevanc
 
 <Tab title="Exactness">
 <Frame>
-  <img src="/assets/images/ranking-rules/knight.png?raw=true" alt="Demonstrating the exactness ranking rule by searching for 'Knight'" />
+  <img src="/assets/images/ranking-rules/knight.png" alt="Demonstrating the exactness ranking rule by searching for 'Knight'" />
 </Frame>
 
 ### Exactness