Refactor comments section for clarity and formatting

Removed redundant numbering and improved comment syntax formatting.

Author: std-microblock

src/content/docs/cpp/comments.mdx

@@ -11,20 +11,18 @@ Comments serve as a sort of in-code documentation. When inserted into a program,
 
 ## Syntax
 
+#### Block Comment
+Often known as "C-style" or "multi-line" comments.
+
 ```
 /* comment */
 ```
-
-(1)
+#### Single-line Comment
+Often known as "C++-style" or "single-line" comments.
 ```
 // comment
 ```
 
-(2)
-
-1) Often known as "C-style" or "multi-line" comments.
-2) Often known as "C++-style" or "single-line" comments.
-
 All comments are removed from the program at <DocLink src="/cpp/language/translation_phases">translation phase 3</DocLink> by replacing each comment with a single whitespace character.
 
 ## C-style
@@ -103,4 +101,4 @@ Output:
 <Desc>
 <DocLink slot="item" src="/c/comment">C documentation</DocLink> for <span>comment</span>
 </Desc>
-</DescList>
+</DescList>