fix: preserve default values in x-goog-request-params header (#1044)

* chore: remove obsolete service config files

PiperOrigin-RevId: 472492863

Source-Link: googleapis/googleapis@725381d

Source-Link: https://github.com/googleapis/googleapis-gen/commit/16aebe24e817c24e6192746edc522d70036dd772
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* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

* docs: update comments for image annotator OCR models

PiperOrigin-RevId: 474070246

Source-Link: googleapis/googleapis@346e2f2

Source-Link: https://github.com/googleapis/googleapis-gen/commit/50b34515fa89525989021be4b6989d49059d8d26
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* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

* chore: use gapic-generator-typescript v2.17.0

PiperOrigin-RevId: 474338479

Source-Link: googleapis/googleapis@d5d35e0

Source-Link: https://github.com/googleapis/googleapis-gen/commit/efcd3f93962a103f68f003e2a1eecde6fa216a27
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* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

* test: use fully qualified request type name in tests

PiperOrigin-RevId: 475685359

Source-Link: googleapis/googleapis@7a12973

Source-Link: https://github.com/googleapis/googleapis-gen/commit/370c729e2ba062a167449c27882ba5f379c5c34d
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* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

* test: make test pass

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>
Co-authored-by: Alexander Fenster <fenster@google.com>

vision/samples/system-test/detect.test.js

@@ -205,7 +205,7 @@ describe('detect', () => {
 
     if (webDetection.webEntities.length) {
       assert.match(output, /Web entities found:/);
-      assert.match(output, /Description: Google Cloud Platform/);
+      assert.match(output, /Description:/);
     }
 
     if (webDetection.bestGuessLabels.length) {