Replace links to glossary terms with custom render hook syntax

For example: [scalar](/getting-started/glossary/#scalar) => [scalar](g)

content/en/render-hooks/code-blocks.md

@@ -54,9 +54,7 @@ Although `style` is a global HTML attribute, when used in an info string it is a
 
 ## Context
 
-Code block render hook templates receive the following [context]:
-
-[context]: /getting-started/glossary/#context
+Code block render hook templates receive the following [context](g):
 
 ###### Attributes