Fix removal of bindings in ProvisionListenerCallbackStore and simplify #1787
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Bindings have never been removed from the cache in ProvisionListenerCallbackStore.remove() because the key of the cache were KeyBinding objects, while it was attempted to remove Binding objects. Additionally use a standard Java ConcurrentHashMap instead of a simple Guava Cache, which also allows to remove the now unnecessary KeyBinding helper class. Instead of a new KeyBinding object a new new lambda object is created for each cache lookup.
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Bindings have never been removed from the cache in
ProvisionListenerCallbackStore.remove()because the key of the cache wereKeyBindingobjects, while it was attempted to remove Binding objects.Additionally use a standard Java
ConcurrentHashMapinstead of a simple Guava Cache, which also allows to remove the now unnecessaryKeyBindinghelper class. Instead of a newKeyBindingobject a new new lambda object is created for each cache lookup.This also helps for #1785.