Cargo.toml: Remove default-features settings

These are all set to false at the root.

test/integration-test/Cargo.toml

@@ -5,7 +5,7 @@ edition = "2021"
 publish = false
 
 [dependencies]
-anyhow = { workspace = true, default-features = true }
+anyhow = { workspace = true, features = ["std"] }
 assert_matches = { workspace = true }
 aya = { workspace = true }
 aya-log = { workspace = true }
@@ -16,10 +16,7 @@ netns-rs = { workspace = true }
 object = { workspace = true }
 rbpf = { workspace = true }
 test-case = { workspace = true }
-tokio = { workspace = true, default-features = false, features = [
+tokio = { workspace = true, features = ["macros", "time"] }
-    "macros",
-    "time",
-] }
 
 [build-dependencies]
 cargo_metadata = { workspace = true }

xtask/Cargo.toml

@@ -6,10 +6,10 @@ edition = "2021"
 publish = false
 
 [dependencies]
-anyhow = { workspace = true, default-features = true }
+anyhow = { workspace = true, features = ["std"] }
 aya-tool = { workspace = true }
 cargo_metadata = { workspace = true }
-clap = { workspace = true, default-features = true, features = ["derive"] }
+clap = { workspace = true, features = ["derive"] }
 dialoguer = { workspace = true }
 diff = { workspace = true }
 indoc = { workspace = true }