remove staking

Author: thomas-nguy

docs/architecture/adr-010.md

@@ -26,7 +26,7 @@ In the future, we are planning to maintain the following fork permanently
 
 ### Implement pre-compiled for cosmos native module
 
-We provide pre-compile for cosmos native module such as bank or staking.
+We provide pre-compile for cosmos native module such as bank module.
 
 The input and output of methods are mapped with those defined cosmos native transactions
 
@@ -40,10 +40,6 @@ interface IBankModule {
 }
 
 
-
-interface IStakingModule {
-    # to be completed
-}
 ```
 
 To call a precompiled, create an instance of the module interface with the precompiled address.