[FABG-798] remove cache package

Change-Id: I9d979b1b29de30a650894c8d9d23cfa69d50b3d8
Signed-off-by: 乔伦 徐 <jamesxql@gmail.com>

Author: gotoxu

internal/github.com/hyperledger/fabric/msp/cache/cache.go

@@ -43,7 +43,6 @@ declare -a PKGS=(
     "core/ledger/util"
 
     "msp"
-    "msp/cache"
 
     "discovery/client"
     "gossip/util"
@@ -129,7 +128,6 @@ declare -a FILES=(
     "msp/mspmgrimpl.go"
     "msp/mspimplsetup.go"
     "msp/mspimplvalidate.go"
-    "msp/cache/cache.go"
 
     "discovery/client/api.go"
     "discovery/client/client.go"