Remove reflection perf (#890)
Remove reflection perf (#890)

Refactored the removeReflection so the symbolMapping is iterated once instead of per hidden reflection

TypeStrong/typedoc,TypeStrong/typedoc,sebastian-lenz/typedoc,TypeStrong/typedoc,sebastian-lenz/typedoc,PolymerLabs/typedoc,PolymerLabs/typedoc,sebastian-lenz/typedoc,PolymerLabs/typedoc