Remove unused flutter_driver_screenshot integration test (#76575)

dev/bots/analyze.dart

diff --git a/dev/bots/analyze.dart b/dev/bots/analyze.dart
index e6d83fe..16ffaef 100644
--- a/dev/bots/analyze.dart
+++ b/dev/bots/analyze.dart
@@ -232,7 +232,7 @@
   await _verifyNoMissingLicenseForExtension(workingDirectory, 'h', overrideMinimumMatches ?? 30, _generateLicense('// '));
   await _verifyNoMissingLicenseForExtension(workingDirectory, 'm', overrideMinimumMatches ?? 30, _generateLicense('// '));
   await _verifyNoMissingLicenseForExtension(workingDirectory, 'swift', overrideMinimumMatches ?? 10, _generateLicense('// '));
-  await _verifyNoMissingLicenseForExtension(workingDirectory, 'gradle', overrideMinimumMatches ?? 100, _generateLicense('// '));
+  await _verifyNoMissingLicenseForExtension(workingDirectory, 'gradle', overrideMinimumMatches ?? 80, _generateLicense('// '));
   await _verifyNoMissingLicenseForExtension(workingDirectory, 'gn', overrideMinimumMatches ?? 0, _generateLicense('# '));
   await _verifyNoMissingLicenseForExtension(workingDirectory, 'sh', overrideMinimumMatches ?? 1, '#!/usr/bin/env bash\n' + _generateLicense('# '));
   await _verifyNoMissingLicenseForExtension(workingDirectory, 'bat', overrideMinimumMatches ?? 1, '@ECHO off\n' + _generateLicense('REM '));