Remove ignoreUnsupportedConstraintTraits from integration test models

Now that constraint traits are supported in server SDKs (with some
corner case caveats, see
#1401), we can remove
`ignoreUnsupportedConstraintTraits` from the codegen config of the
integration test models.

Author: david-perez

codegen-server-test/build.gradle.kts

@@ -61,40 +61,21 @@ val allCodegenTests = "../codegen-core/common-test-models".let { commonModels ->
             "constraints",
             imports = listOf("$commonModels/constraints.smithy"),
         ),
-        CodegenTest(
-            "aws.protocoltests.restjson#RestJson",
-            "rest_json",
-            // TODO(https://github.com/awslabs/smithy-rs/issues/1401) `@uniqueItems` is used.
-            extraConfig = """, "codegen": { "ignoreUnsupportedConstraints": true } """,
-        ),
+        CodegenTest("aws.protocoltests.restjson#RestJson", "rest_json"),
         CodegenTest(
             "aws.protocoltests.restjson#RestJsonExtras",
             "rest_json_extras",
             imports = listOf("$commonModels/rest-json-extras.smithy"),
         ),
-        CodegenTest(
-            "aws.protocoltests.restjson.validation#RestJsonValidation",
-            "rest_json_validation",
-            extraConfig = """, "codegen": { "ignoreUnsupportedConstraints": true } """,
-        ),
+        CodegenTest("aws.protocoltests.restjson.validation#RestJsonValidation", "rest_json_validation"),
         CodegenTest("aws.protocoltests.json10#JsonRpc10", "json_rpc10"),
-        CodegenTest(
-            "aws.protocoltests.json#JsonProtocol",
-            "json_rpc11",
-            extraConfig = """, "codegen": { "ignoreUnsupportedConstraints": true } """,
-        ),
+        CodegenTest("aws.protocoltests.json#JsonProtocol", "json_rpc11"),
         CodegenTest(
             "aws.protocoltests.misc#MiscService",
             "misc",
             imports = listOf("$commonModels/misc.smithy"),
-            // TODO(https://github.com/awslabs/smithy-rs/issues/1401) `@uniqueItems` is used.
-            extraConfig = """, "codegen": { "ignoreUnsupportedConstraints": true } """,
-        ),
-        CodegenTest(
-            "com.amazonaws.ebs#Ebs", "ebs",
-            imports = listOf("$commonModels/ebs.json"),
-            extraConfig = """, "codegen": { "ignoreUnsupportedConstraints": true } """,
         ),
+        CodegenTest("com.amazonaws.ebs#Ebs", "ebs", imports = listOf("$commonModels/ebs.json")),
         CodegenTest("com.amazonaws.s3#AmazonS3", "s3"),
         CodegenTest(
             "com.aws.example.rust#PokemonService",