Revert community.adoc

Signed-off-by: Tran Ngoc Nhan <[email protected]>

Author: ngocnhan-tran1996

docs/modules/ROOT/pages/community.adoc

@@ -21,9 +21,6 @@ We welcome your involvement in the Spring Security project.
 There are many ways to contribute, including answering questions on Stack Overflow, writing new code, improving existing code, assisting with documentation, developing samples or tutorials, reporting bugs, or simply making suggestions.
 For more information, see our https://github.com/spring-projects/spring-security/blob/main/CONTRIBUTING.adoc[Contributing] documentation.
 
-NOTE: Since the Stream API is https://github.com/spring-projects/spring-security/issues/7154[much slower] than `for` loop, please use it judiciously.
-The team may ask you to change it to a `for` loop if the given code is along a hot path.
-
 [[community-source]]
 == Source Code