[INTERNAL] package.json: Make @ui5/project dependency a devDependency

The module is only used in tests

Author: RandomByte

package-lock.json

@@ -99,7 +99,6 @@
 		"@ui5/builder": "^1.3.1",
 		"@ui5/fs": "^1.1.1",
 		"@ui5/logger": "^1.0.1",
-		"@ui5/project": "^1.0.2",
 		"compression": "^1.7.4",
 		"connect-openui5": "^0.7.6",
 		"cors": "^2.8.5",
@@ -117,6 +116,7 @@
 		"treeify": "^1.0.1"
 	},
 	"devDependencies": {
+		"@ui5/project": "^1.0.2",
 		"ava": "^2.1.0",
 		"coveralls": "^3.0.4",
 		"cross-env": "^5.1.1",