Problem: store package has dependency issues

Solution:
- revert the iavl bump, v1.0.2 is the version referenced by outer packages

go.mod

@@ -169,6 +169,7 @@ require (
 
 // Below are the long-lived replace of the Cosmos SDK
 replace (
+	cosmossdk.io/store => ./store
 	// use cosmos fork of keyring
 	github.com/99designs/keyring => github.com/cosmos/keyring v1.2.0
 	// dgrijalva/jwt-go is deprecated and doesn't receive security updates.

go.sum

@@ -14,8 +14,6 @@ cosmossdk.io/log v1.3.1 h1:UZx8nWIkfbbNEWusZqzAx3ZGvu54TZacWib3EzUYmGI=
 cosmossdk.io/log v1.3.1/go.mod h1:2/dIomt8mKdk6vl3OWJcPk2be3pGOS8OQaLUM/3/tCM=
 cosmossdk.io/math v1.3.0 h1:RC+jryuKeytIiictDslBP9i1fhkVm6ZDmZEoNP316zE=
 cosmossdk.io/math v1.3.0/go.mod h1:vnRTxewy+M7BtXBNFybkuhSH4WfedVAAnERHgVFhp3k=
-cosmossdk.io/store v1.0.2 h1:lSg5BTvJBHUDwswNNyeh4K/CbqiHER73VU4nDNb8uk0=
-cosmossdk.io/store v1.0.2/go.mod h1:EFtENTqVTuWwitGW1VwaBct+yDagk7oG/axBMPH+FXs=
 cosmossdk.io/x/tx v0.13.1 h1:Mg+EMp67Pz+NukbJqYxuo8uRp7N/a9uR+oVS9pONtj8=
 cosmossdk.io/x/tx v0.13.1/go.mod h1:CBCU6fsRVz23QGFIQBb1DNX2DztJCf3jWyEkHY2nJQ0=
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=

simapp/go.mod

@@ -207,6 +207,7 @@ require (
 
 // Below are the long-lived replace of the SimApp
 replace (
+	cosmossdk.io/store => ../store
 	// use cosmos fork of keyring
 	github.com/99designs/keyring => github.com/cosmos/keyring v1.2.0
 	// Simapp always use the latest version of the cosmos-sdk

simapp/go.sum

@@ -200,8 +200,6 @@ cosmossdk.io/log v1.3.1 h1:UZx8nWIkfbbNEWusZqzAx3ZGvu54TZacWib3EzUYmGI=
 cosmossdk.io/log v1.3.1/go.mod h1:2/dIomt8mKdk6vl3OWJcPk2be3pGOS8OQaLUM/3/tCM=
 cosmossdk.io/math v1.3.0 h1:RC+jryuKeytIiictDslBP9i1fhkVm6ZDmZEoNP316zE=
 cosmossdk.io/math v1.3.0/go.mod h1:vnRTxewy+M7BtXBNFybkuhSH4WfedVAAnERHgVFhp3k=
-cosmossdk.io/store v1.0.2 h1:lSg5BTvJBHUDwswNNyeh4K/CbqiHER73VU4nDNb8uk0=
-cosmossdk.io/store v1.0.2/go.mod h1:EFtENTqVTuWwitGW1VwaBct+yDagk7oG/axBMPH+FXs=
 cosmossdk.io/tools/confix v0.1.1 h1:aexyRv9+y15veH3Qw16lxQwo+ki7r2I+g0yNTEFEQM8=
 cosmossdk.io/tools/confix v0.1.1/go.mod h1:nQVvP1tHsGXS83PonPVWJtSbddIqyjEw99L4M3rPJyQ=
 cosmossdk.io/x/circuit v0.1.0 h1:IAej8aRYeuOMritczqTlljbUVHq1E85CpBqaCTwYgXs=