SONAR-18191 replace security principles with Clean Code principles

sonar-core/src/main/resources/org/sonar/l10n/core.properties

 coding_rules.description_context.default_information={0} was detected as the most relevant component or framework for this issue.
 coding_rules.description_context.other=Other
 
-coding_rules.more_info.education_principles.title=Security principles
+coding_rules.more_info.education_principles.title=Clean Code principles
 coding_rules.more_info.resources.title=Resources
 
-coding_rules.more_info.notification_message=We've added new information about security principles below. Security principles are general guidelines that can help you improve the security of your code. Take a moment now to read through them.
-coding_rules.more_info.scroll_message=Scroll down to security principles
+coding_rules.more_info.notification_message=We've added new information about Clean Code principles below to help you improve your code quality and security. Take a moment to read through them.
+coding_rules.more_info.scroll_message=Scroll down to Code Quality principles
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