Use actix-remote-ip to reduce code base size (#5)

Use https://crates.io/crates/actix-remote-ip to remove some code redundancy

Reviewed-on: #5

Cargo.lock

@@ -68,6 +68,17 @@ dependencies = [
  "syn 1.0.109",
 ]
 
+[[package]]
+name = "actix-remote-ip"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7629b357d4705cf3f1e31f989f48ecd56027112f7d52dcf06dd96ee197065f8e"
+dependencies = [
+ "actix-web",
+ "futures-util",
+ "log",
+]
+
 [[package]]
 name = "actix-router"
 version = "0.5.1"
@@ -1201,11 +1212,11 @@ dependencies = [
 name = "oidc-test-client"
 version = "0.1.0"
 dependencies = [
+ "actix-remote-ip",
  "actix-web",
  "askama",
  "clap",
  "env_logger",
- "futures-util",
  "lazy_static",
  "light-openid",
  "log",