Cargo.toml: remove ping from root workspace

Cargo.toml

@@ -48,9 +48,6 @@ members = [
     "src/contract/deployooor",
 
     "example/dchat/dchatd",
-
-    # Utils
-    "script/ping",
 ]
 
 [dependencies]

script/ping/Cargo.toml

@@ -14,5 +14,4 @@ darkfi-serial = {path = "../../src/serial"}
 url = {version = "2.5.2", features = ["serde"]}
 smol = "2.0.0"
 
-[lints]
-workspace = true
+[workspace]