chore(Smithy): Remove unused Smithy4sRenderer #784

Job	Run time
build	33s
typescript,typescript-zod,typescript-effect-schema	2m 24s
javascript,schema-javascript	54s
golang,schema-golang	1m 8s
cjson,schema-cjson	1m 25s
cplusplus,schema-cplusplus	2m 35s
flow,schema-flow	1m 55s
java,schema-java	5m 35s
python,schema-python	1m 44s
haskell,schema-haskell	8m 41s
csharp,schema-csharp,schema-json-csharp,graphql-csharp,csharp-SystemTextJson	6m 6s
json-ts-csharp	1m 59s
dart,schema-dart	1m 26s
swift,schema-swift	2m 24s
javascript-prop-types	1m 5s
ruby	53s
php	58s
scala3,schema-scala3	2m 16s
rust,schema-rust	3m 55s
kotlin,schema-kotlin,kotlin-jackson,schema-kotlin-jackson	6m 41s
objective-c	2m 22s
test-complete	1s
	57m 0s

Provide feedback