Clears the session's extension registry. You can then create a new
extension chain with registerExtensions().
See also
"Using mizer extension packages":
vignette("using-extension-packages", package = "mizer")
Other extension tools:
NOther(),
coerceToExtensionClass(),
getRegisteredExtensions(),
initialNOther<-(),
registerExtension(),
registerExtensions(),
setComponent(),
setRateFunction()
