drop async-task dependency

We no longer directly depend on it

Signed-off-by: Marc-Antoine Perennou <Marc-Antoine@Perennou.com>

Cargo.toml

@@ -26,7 +26,6 @@ default = [
   "std",
   "async-global-executor",
   "async-io",
-  "async-task",
   "blocking",
   "futures-lite",
   "kv-log-macro",
@@ -62,7 +61,6 @@ tokio02 = ["tokio"]
 
 [dependencies]
 async-attributes = { version = "1.1.1", optional = true }
-async-task = { version = "3.0.0", optional = true }
 async-mutex = { version = "1.1.3", optional = true }
 crossbeam-utils = { version = "0.7.2", optional = true }
 futures-core = { version = "0.3.4", optional = true, default-features = false }