API Gateway: clean up tests to remove unneeded serialization

[gdavison]

Description

API Gateway tests only need to be serialized when a logging IAM role is needed. Remove unneeded account settings so most tests can be run in parallel.

Reduces runtime of TestAccAPIGateway_serial from 12250.59s to 2618.748s

Output from Acceptance Testing

% make testacc PKG=apigateway TESTS=TestAccAPIGateway_serial

--- PASS: TestAccAPIGateway_serial (2613.75s)
    --- PASS: TestAccAPIGateway_serial/Account (458.44s)
        --- PASS: TestAccAPIGateway_serial/Account/ResetOnDelete_false (53.83s)
        --- PASS: TestAccAPIGateway_serial/Account/ResetOnDelete_true (56.30s)
        --- PASS: TestAccAPIGateway_serial/Account/basic (54.39s)
        --- PASS: TestAccAPIGateway_serial/Account/CloudwatchRoleARN_Value (100.70s)
        --- PASS: TestAccAPIGateway_serial/Account/CloudwatchRoleARN_Empty (62.47s)
        --- PASS: TestAccAPIGateway_serial/Account/FrameworkMigration_Basic (48.80s)
        --- PASS: TestAccAPIGateway_serial/Account/FrameworkMigration_CloudwatchRoleARN (81.95s)
    --- PASS: TestAccAPIGateway_serial/MethodSettings (129.94s)
        --- PASS: TestAccAPIGateway_serial/MethodSettings/Multiple (51.12s)
        --- PASS: TestAccAPIGateway_serial/MethodSettings/LoggingLevel (64.21s)
        --- PASS: TestAccAPIGateway_serial/MethodSettings/disappears (14.61s)
        --- PASS: TestAccAPIGateway_serial/MethodSettings/ThrottlingRateLimit (38.25s)
        --- PASS: TestAccAPIGateway_serial/MethodSettings/ThrottlingRateLimitDisabledByDefault (52.34s)
        --- PASS: TestAccAPIGateway_serial/MethodSettings/UnauthorizedCacheControlHeaderStrategy (95.10s)
        --- PASS: TestAccAPIGateway_serial/MethodSettings/RequireAuthorizationForCacheControl (127.99s)
        --- PASS: TestAccAPIGateway_serial/MethodSettings/basic (171.28s)
        --- PASS: TestAccAPIGateway_serial/MethodSettings/CacheDataEncrypted (209.53s)
        --- PASS: TestAccAPIGateway_serial/MethodSettings/ThrottlingBurstLimitDisabledByDefault (330.55s)
        --- PASS: TestAccAPIGateway_serial/MethodSettings/CacheTTLInSeconds (401.20s)
        --- PASS: TestAccAPIGateway_serial/MethodSettings/MetricsEnabled (417.89s)
        --- PASS: TestAccAPIGateway_serial/MethodSettings/ThrottlingBurstLimit (443.27s)
        --- PASS: TestAccAPIGateway_serial/MethodSettings/DataTraceEnabled (706.47s)
        --- PASS: TestAccAPIGateway_serial/MethodSettings/CachingEnabled (772.52s)
    --- PASS: TestAccAPIGateway_serial/Stage (69.69s)
        --- PASS: TestAccAPIGateway_serial/Stage/AccessLogSettings (69.69s)
        --- PASS: TestAccAPIGateway_serial/Stage/disappears (52.70s)
        --- PASS: TestAccAPIGateway_serial/Stage/basic (124.54s)
        --- PASS: TestAccAPIGateway_serial/Stage/AccessLogSettings_kinesis (157.15s)
        --- PASS: TestAccAPIGateway_serial/Stage/CanarySettings (465.06s)
        --- PASS: TestAccAPIGateway_serial/Stage/disappears_restAPI (665.23s)
        --- PASS: TestAccAPIGateway_serial/Stage/CacheSizeCacheDisabled (797.47s)
        --- PASS: TestAccAPIGateway_serial/Stage/Cache (883.96s)
        --- PASS: TestAccAPIGateway_serial/Stage/tags (0.00s)
            --- PASS: TestAccAPIGateway_serial/Stage/tags/ComputedTag_OnCreate (92.36s)
            --- PASS: TestAccAPIGateway_serial/Stage/tags/DefaultTags_emptyResourceTag (104.30s)
            --- PASS: TestAccAPIGateway_serial/Stage/tags/DefaultTags_nonOverlapping (78.64s)
            --- PASS: TestAccAPIGateway_serial/Stage/tags/DefaultTags_nullOverlappingResourceTag (21.58s)
            --- PASS: TestAccAPIGateway_serial/Stage/tags/DefaultTags_providerOnly (223.18s)
            --- PASS: TestAccAPIGateway_serial/Stage/tags/ComputedTag_OnUpdate_Add (234.49s)
            --- PASS: TestAccAPIGateway_serial/Stage/tags/EmptyTag_OnCreate (216.38s)
            --- PASS: TestAccAPIGateway_serial/Stage/tags/IgnoreTags_Overlap_DefaultTag (322.39s)
            --- PASS: TestAccAPIGateway_serial/Stage/tags/DefaultTags_updateToResourceOnly (426.45s)
            --- PASS: TestAccAPIGateway_serial/Stage/tags/DefaultTags_updateToProviderOnly (497.28s)
            --- PASS: TestAccAPIGateway_serial/Stage/tags/basic (521.08s)
            --- PASS: TestAccAPIGateway_serial/Stage/tags/EmptyTag_OnUpdate_Add (556.00s)
            --- PASS: TestAccAPIGateway_serial/Stage/tags/EmptyTag_OnUpdate_Replace (407.19s)
            --- PASS: TestAccAPIGateway_serial/Stage/tags/AddOnUpdate (624.23s)
            --- PASS: TestAccAPIGateway_serial/Stage/tags/DefaultTags_nullNonOverlappingResourceTag (732.29s)
            --- PASS: TestAccAPIGateway_serial/Stage/tags/ComputedTag_OnUpdate_Replace (828.27s)
            --- PASS: TestAccAPIGateway_serial/Stage/tags/null (622.93s)
            --- PASS: TestAccAPIGateway_serial/Stage/tags/DefaultTags_overlapping (975.27s)
            --- PASS: TestAccAPIGateway_serial/Stage/tags/EmptyMap (898.96s)
            --- PASS: TestAccAPIGateway_serial/Stage/tags/IgnoreTags_Overlap_ResourceTag (994.93s)
        --- PASS: TestAccAPIGateway_serial/Stage/WAF (1183.11s)
PASS
ok  	github.com/hashicorp/terraform-provider-aws/internal/service/apigateway	2618.748s

[github-actions]

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[jar-b]

LGTM 🚀