Replace enjoys with clearer wording (#4501)

Replaces the non-standard use of `enjoys` in documentation with clearer
terms: `has`, `supports`, and `provides`

Fixes #4497

Co-authored-by: Landon James <lnj@amazon.com>

Author: vcjana

design/src/rfcs/rfc0020_service_builder.md

@@ -240,7 +240,7 @@ pub struct Router {
 }
 ```
 
-and enjoys the following `Service<http::Request>` implementation:
+and has the following `Service<http::Request>` implementation:
 
 ```rust,ignore
 impl Service<http::Request> for Router

rust-runtime/aws-smithy-http-server/src/instrumentation/mod.rs

@@ -69,7 +69,7 @@ pub use plugin::*;
 pub use service::*;
 
 /// A standard interface for taking some component of the HTTP request/response and transforming it into new struct
-/// which enjoys [`Debug`] or [`Display`]. This allows for polymorphism over formatting approaches.
+/// which supports [`Debug`] or [`Display`]. This allows for polymorphism over formatting approaches.
 pub trait MakeFmt<T> {
     /// Target of the `fmt` transformation.
     type Target;

rust-runtime/aws-smithy-http-server/src/instrumentation/sensitivity/request.rs

@@ -19,7 +19,7 @@ use super::{
 /// Allows the modification the requests URIs [`Display`](std::fmt::Display) and headers
 /// [`Debug`] to accommodate sensitivity.
 ///
-/// This enjoys [`MakeFmt`] for [`&HeaderMap`](HeaderMap) and [`&Uri`](http::Uri).
+/// This provides [`MakeFmt`] for [`&HeaderMap`](HeaderMap) and [`&Uri`](http::Uri).
 #[derive(Clone)]
 pub struct RequestFmt<Headers, Uri> {
     headers: Headers,

rust-runtime/aws-smithy-http-server/src/instrumentation/sensitivity/response.rs

@@ -19,7 +19,7 @@ use super::{
 /// Allows the modification the responses status code [`Display`](std::fmt::Display) and headers
 /// [`Debug`] to accommodate sensitivity.
 ///
-/// This enjoys [`MakeFmt`] for [`&HeaderMap`](HeaderMap) and [`StatusCode`](http::StatusCode).
+/// This provides [`MakeFmt`] for [`&HeaderMap`](HeaderMap) and [`StatusCode`](http::StatusCode).
 #[derive(Clone)]
 pub struct ResponseFmt<Headers, StatusCode> {
     headers: Headers,

rust-runtime/aws-smithy-legacy-http-server/src/instrumentation/mod.rs

@@ -69,7 +69,7 @@ pub use plugin::*;
 pub use service::*;
 
 /// A standard interface for taking some component of the HTTP request/response and transforming it into new struct
-/// which enjoys [`Debug`] or [`Display`]. This allows for polymorphism over formatting approaches.
+/// which supports [`Debug`] or [`Display`]. This allows for polymorphism over formatting approaches.
 pub trait MakeFmt<T> {
     /// Target of the `fmt` transformation.
     type Target;