chore: remove mgo related packages (#2799)

go.mod

@@ -7,8 +7,8 @@ require (
 	github.com/DATA-DOG/go-sqlmock v1.5.0
 	github.com/alicebob/miniredis/v2 v2.30.0
 	github.com/fatih/color v1.13.0
+	github.com/felixge/fgprof v0.9.3
 	github.com/fullstorydev/grpcurl v1.8.7
-	github.com/globalsign/mgo v0.0.0-20181015135952-eeefdecb41b8
 	github.com/go-redis/redis/v8 v8.11.5
 	github.com/go-sql-driver/mysql v1.7.0
 	github.com/golang-jwt/jwt/v4 v4.4.3
@@ -49,7 +49,6 @@ require (
 )
 
 require (
-	github.com/felixge/fgprof v0.9.3
 	github.com/google/gofuzz v1.2.0 // indirect
 	github.com/mattn/go-runewidth v0.0.13 // indirect
 	github.com/matttproud/golang_protobuf_extensions v1.0.2-0.20181231171920-c182affec369 // indirect