How to unregisterListener ?

[icoco]

System (please complete the following information):

• OS: linux [e.g. linux, macOS]
• GO Version: 1.13 [e.g. 1.13]
• Pkg Version: 1.1.1 [e.g. 1.1.1]

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Expected behavior

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[inhere]

for gloabl event manager:

event.Std().RemoveListeners(name string);