Remove duplicated content from 'Upgrading from 7.6 and earlier'

[KENNYSOFT]

Context

Below two parts are duplicated:

• Adding jst.ejb with the eclipse wtp plugin now removes the jst.utility facet
  • https://docs.gradle.org/8.0-rc-2/userguide/upgrading_version_7.html#adding_jst_ejb_with_the_eclipse_wtp_plugin_now_removes_the_jst_utility_facet
  • https://docs.gradle.org/8.0-rc-2/userguide/upgrading_version_7.html#adding_jst_ejb_with_the_eclipse_wtp_plugin_now_removes_the_jst_utility_facet_2
• Changing test framework after setting test framework options is now an error
  • https://docs.gradle.org/8.0-rc-2/userguide/upgrading_version_7.html#changing_test_framework_after_setting_test_framework_options_is_now_an_error
  • https://docs.gradle.org/8.0-rc-2/userguide/upgrading_version_7.html#changing_test_framework_after_setting_test_framework_options_is_now_an_error_2

Also, it fixes markdown syntax:

• https://docs.gradle.org/8.0-rc-2/userguide/upgrading_version_7.html#adding_jst_ejb_with_the_eclipse_wtp_plugin_now_removes_the_jst_utility_facet_2

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Gradle Core Team Checklist

• Verify design and implementation
• Verify test coverage and CI build status
• Verify documentation

[hythloda]

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[hythloda]

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