build: tidy go modules, update to lnd v0.7.1

Author: Roasbeef

go.mod

@@ -1,35 +1,26 @@
 module github.com/lightninglabs/loop
 
 require (
-	cloud.google.com/go v0.44.3 // indirect
-	github.com/btcsuite/btcd v0.0.0-20190605094302-a0d1e3e36d50
+	github.com/btcsuite/btcd v0.0.0-20190629003639-c26ffa870fd8
 	github.com/btcsuite/btclog v0.0.0-20170628155309-84c8d2346e9f
 	github.com/btcsuite/btcutil v0.0.0-20190425235716-9e5f4b9a998d
 	github.com/coreos/bbolt v1.3.2
 	github.com/fortytw2/leaktest v1.3.0
 	github.com/golang/protobuf v1.3.2
 	github.com/google/go-cmp v0.3.1 // indirect
-	github.com/google/pprof v0.0.0-20190723021845-34ac40c74b70 // indirect
 	github.com/grpc-ecosystem/grpc-gateway v1.10.0
-	github.com/hashicorp/golang-lru v0.5.3 // indirect
 	github.com/jessevdk/go-flags v1.4.0
-	github.com/kr/pty v1.1.8 // indirect
-	github.com/lightningnetwork/lnd v0.6.1-beta.0.20190605130338-880279b266e9
+	github.com/lightningnetwork/lnd v0.7.1-beta
 	github.com/lightningnetwork/lnd/queue v1.0.1
 	github.com/rogpeppe/fastuuid v1.2.0 // indirect
-	github.com/rogpeppe/go-internal v1.3.1 // indirect
 	github.com/urfave/cli v1.20.0
 	golang.org/x/crypto v0.0.0-20190829043050-9756ffdc2472 // indirect
-	golang.org/x/exp v0.0.0-20190829153037-c13cbed26979 // indirect
-	golang.org/x/image v0.0.0-20190829233526-b3c06291d021 // indirect
-	golang.org/x/mobile v0.0.0-20190826170111-cafc553e1ac5 // indirect
 	golang.org/x/net v0.0.0-20190827160401-ba9fcec4b297
 	golang.org/x/sys v0.0.0-20190830142957-1e83adbbebd0 // indirect
-	golang.org/x/tools v0.0.0-20190830172400-56125e7d709e // indirect
-	google.golang.org/api v0.9.0 // indirect
-	google.golang.org/appengine v1.6.2 // indirect
+	golang.org/x/text v0.3.2 // indirect
 	google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55
 	google.golang.org/grpc v1.23.0
 	gopkg.in/macaroon.v2 v2.1.0
-	honnef.co/go/tools v0.0.1-2019.2.2 // indirect
 )
+
+go 1.13