[#52] Removed dflydev/markdown from suggested list
[#52] Removed dflydev/markdown from suggested list

The markdown package by DFlyDev is deprecated and is not recommended
anymore due to the provided alternatives (parsedown or commonmark).

jaapio/ReflectionDocBlock,mvriel/ReflectionDocBlock,Ocramius/ReflectionDocBlock,phpDocumentor/ReflectionDocBlock