Set version to '1.5.3'

version.json

@@ -1,6 +1,6 @@
 {
   "$schema": "https://raw.githubusercontent.com/dotnet/Nerdbank.GitVersioning/master/src/NerdBank.GitVersioning/version.schema.json",
-  "version": "1.5.3-preview.{height}",
+  "version": "1.5.3",
   "assemblyVersion": {
     "precision": "revision"
   },
@@ -14,8 +14,7 @@
     "^refs/heads/v\\d+(?:\\.\\d+)?$"
   ],
   "cloudBuild": {
-    "setAllVariables": true,
-    "buildNumber": null
+    "setAllVariables": true
   },
   "release": {
     "branchName": "release-v{version}",