Fixed agama integration test

rubygem-byebug and rubygem-agama-yast seems to
no longer exist

Author: schaefi

build-tests/x86/tumbleweed/test-image-agama/appliance.kiwi

@@ -82,8 +82,6 @@
         <package name="MozillaFirefox-branding-openSUSE" arch="aarch64,x86_64"/>
         <package name="libpwquality-tools"/>
         <package name="NetworkManager"/>
-        <package name="ruby3.3-rubygem-byebug"/>
-        <package name="ruby3.3-rubygem-agama-yast"/>
         <package name="agama"/>
         <package name="agama-web-ui"/>
         <package name="agama-cli"/>