remove json5 fallback

Author: par4m

Cargo.lock

@@ -108,7 +108,6 @@ bytes = "1.10.1"
 rand = "0.9.0"
 indoc = "2.0.6"
 owo-colors = "4.2.0"
-json5 = "0.4.1"
 aws-config = "1.6.2"
 aws-sdk-s3 = "1.85.0"
 aws-sdk-sqs = "1.67.0"