Enable using rustls from service crates (#519)

Author: bmc-msft

services/autorust/codegen/src/cargo_toml.rs

@@ -25,10 +25,9 @@ version = "0.1.0"
 edition = "2018"
 
 [dependencies]
-azure_core = {{ path = "../../../sdk/core", version = "0.1.0" }}
+azure_core = {{ path = "../../../sdk/core", version = "0.1.0", default-features = false }}
 serde = {{ version = "1.0", features = ["derive"] }}
 serde_json = "1.0"
-reqwest = {{ version = "0.11", features = ["json"] }}
 bytes = "1.0"
 thiserror = "1.0"
 http = "0.2"
@@ -39,7 +38,9 @@ azure_identity = {{ path = "../../../sdk/identity", version = "0.1.0" }}
 tokio = {{ version = "1.0", features = ["macros"] }}
 
 [features]
-default = ["{}"]
+default = ["{}", "enable_reqwest"]
+enable_reqwest = ["azure_core/enable_reqwest"]
+enable_reqwest_rustls = ["azure_core/enable_reqwest_rustls"]
 no-default-version = []
 "#,
             version, crate_name, default