aya isn't optional for the main program

Signed-off-by: Dave Tucker <dave@dtucker.co.uk>

{{project-name}}/Cargo.toml

@@ -5,10 +5,10 @@ edition = "2018"
 publish = false
 
 [dependencies]
-aya = { git = "https://github.com/alessandrod/aya", branch="main", optional=true }
+aya = { git = "https://github.com/alessandrod/aya", branch="main" }
 {{project-name}}-common = { path = "../{{project-name}}-common", features=["userspace"] }
 anyhow = "1.0.42"
 
 [[bin]]
 name = "{{project-name}}"
-path = "src/main.rs"
+path = "src/main.rs"