Attempt to fix rendering of references

Author: mjdecker

_notes/software-architecture/refactoring/catalog.md

@@ -34,11 +34,9 @@ layout: notes
 <script src="https://gist.github.com/mjdecker/ee50eeb88bce122cee97c0e187d23b4e.js?file=extract-function-after.cpp"></script>
 
 # Replace Conditional with Polymorphism - Before
+* [unladen-swallow]() [norwegian-blue]()g
 <script src="https://gist.github.com/mjdecker/ee50eeb88bce122cee97c0e187d23b4e.js?file=replace-conditional-with-polymorphism-before.cpp"></script>
 
-* ![Swallows][unladen-swallow]
-* ![Norwegian Blue][norwegian-blue]
-
 # Replace Conditional with Polymorphism (after)
 <img src="https://yuml.me/diagram/class/[｛abstract｝bird|%20|%20+%20get_speed():number｛abstract｝],[european|%20|%20+%20get_speed():number],[african|%20|%20+%20get_speed():number],[norwegian_blue|%20|%20+%20get_speed():number],[｛abstract｝bird]^-[european],[｛abstract｝bird]^-[african],[｛abstract｝bird]^-[norwegian_blue]" alt="Replace Conditional with Polymorphism example"/>