Update available SDL version to v0.7.0

Update alarm-go module dependencies to use latest SDL version v0.7.0,
which contains implementation for the SDL multi-namespace and sentinel
based DB capacity scaling properties.

Issue-ID: RIC-699

Signed-off-by: Timo Tietavainen <timo.tietavainen@nokia.com>
Change-Id: I06bfc01db6570ab8d5ff01a93c95fe08b62ab330
diff --git a/go.mod b/go.mod
index 345bf33..fea0ebe 100644
--- a/go.mod
+++ b/go.mod
@@ -6,7 +6,7 @@
 
 replace gerrit.o-ran-sc.org/r/ric-plt/xapp-frame => gerrit.o-ran-sc.org/r/ric-plt/xapp-frame.git v0.8.2-1
 
-replace gerrit.o-ran-sc.org/r/ric-plt/sdlgo => gerrit.o-ran-sc.org/r/ric-plt/sdlgo.git v0.5.2
+replace gerrit.o-ran-sc.org/r/ric-plt/sdlgo => gerrit.o-ran-sc.org/r/ric-plt/sdlgo.git v0.7.0
 
 replace gerrit.o-ran-sc.org/r/com/golog => gerrit.o-ran-sc.org/r/com/golog.git v0.0.2
 
@@ -19,8 +19,6 @@
 	github.com/gorilla/mux v1.7.1
 	github.com/jedib0t/go-pretty v4.3.0+incompatible
 	github.com/mattn/go-runewidth v0.0.9 // indirect
-	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
-	github.com/modern-go/reflect2 v1.0.1 // indirect
 	github.com/prometheus/alertmanager v0.20.0
 	github.com/spf13/viper v1.6.2
 	github.com/stretchr/testify v1.5.1