update Cargo.toml dev-proc-macros dependency

rust/fastsim-core/Cargo.toml

@@ -10,11 +10,7 @@ readme = "../../README.md"
 repository = "https://github.com/NREL/fastsim"
 
 [dependencies]
-# this is compiled only when `dev-proc-macros` feature is not enabled, which is the default
-fastsim-proc-macros = { package = "fastsim-proc-macros", version = "0.1.5" }
-# this is compiled when `dev-proc-macros` feature is enabled with e.g. `cargo build --features
-# dev-proc-macros`
-dev-proc-macros = { package = "fastsim-proc-macros", path = "./fastsim-proc-macros" }
+fastsim-proc-macros = { package = "fastsim-proc-macros", path = "./fastsim-proc-macros", version = "0.1.5" }
 pyo3 = { workspace = true, features = [
     "extension-module",
     "anyhow",
@@ -47,4 +43,3 @@ include = [
 
 [features]
 pyo3 = ["dep:pyo3"]
-dev-proc-macros = []