Fix Checkstyle

Issue gh-17623

Author: jzheaux

cas/src/main/java/org/springframework/security/cas/authentication/CasAssertionAuthenticationToken.java

@@ -21,7 +21,6 @@
 import org.apereo.cas.client.validation.Assertion;
 
 import org.springframework.security.authentication.AbstractAuthenticationToken;
-import org.springframework.security.core.SpringSecurityCoreVersion;
 
 /**
  * Temporary authentication object needed to load the user details service.

cas/src/main/java/org/springframework/security/cas/authentication/CasAuthenticationToken.java

@@ -23,7 +23,6 @@
 
 import org.springframework.security.authentication.AbstractAuthenticationToken;
 import org.springframework.security.core.GrantedAuthority;
-import org.springframework.security.core.SpringSecurityCoreVersion;
 import org.springframework.security.core.userdetails.UserDetails;
 import org.springframework.util.Assert;
 import org.springframework.util.ObjectUtils;

cas/src/main/java/org/springframework/security/cas/authentication/CasServiceTicketAuthenticationToken.java

@@ -21,7 +21,6 @@
 
 import org.springframework.security.authentication.AbstractAuthenticationToken;
 import org.springframework.security.core.GrantedAuthority;
-import org.springframework.security.core.SpringSecurityCoreVersion;
 import org.springframework.util.Assert;
 
 /**

core/src/main/java/org/springframework/security/access/intercept/RunAsUserToken.java

@@ -21,7 +21,6 @@
 import org.springframework.security.authentication.AbstractAuthenticationToken;
 import org.springframework.security.core.Authentication;
 import org.springframework.security.core.GrantedAuthority;
-import org.springframework.security.core.SpringSecurityCoreVersion;
 
 /**
  * An immutable {@link org.springframework.security.core.Authentication} implementation

core/src/main/java/org/springframework/security/authentication/RememberMeAuthenticationToken.java

@@ -19,7 +19,6 @@
 import java.util.Collection;
 
 import org.springframework.security.core.GrantedAuthority;
-import org.springframework.security.core.SpringSecurityCoreVersion;
 
 /**
  * Represents a remembered <code>Authentication</code>.

core/src/main/java/org/springframework/security/authentication/UsernamePasswordAuthenticationToken.java

@@ -21,7 +21,6 @@
 import org.jspecify.annotations.Nullable;
 
 import org.springframework.security.core.GrantedAuthority;
-import org.springframework.security.core.SpringSecurityCoreVersion;
 import org.springframework.util.Assert;
 
 /**

core/src/main/java/org/springframework/security/authentication/jaas/JaasAuthenticationToken.java

@@ -24,7 +24,6 @@
 
 import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
 import org.springframework.security.core.GrantedAuthority;
-import org.springframework.security.core.SpringSecurityCoreVersion;
 
 /**
  * UsernamePasswordAuthenticationToken extension to carry the Jaas LoginContext that the

core/src/main/java/org/springframework/security/authentication/jaas/JaasGrantedAuthority.java

@@ -19,7 +19,6 @@
 import java.security.Principal;
 
 import org.springframework.security.core.GrantedAuthority;
-import org.springframework.security.core.SpringSecurityCoreVersion;
 import org.springframework.util.Assert;
 
 /**

core/src/main/java/org/springframework/security/core/authority/SimpleGrantedAuthority.java

@@ -17,7 +17,6 @@
 package org.springframework.security.core.authority;
 
 import org.springframework.security.core.GrantedAuthority;
-import org.springframework.security.core.SpringSecurityCoreVersion;
 import org.springframework.util.Assert;
 
 /**

core/src/main/java/org/springframework/security/core/context/SecurityContextImpl.java

@@ -19,7 +19,6 @@
 import org.jspecify.annotations.Nullable;
 
 import org.springframework.security.core.Authentication;
-import org.springframework.security.core.SpringSecurityCoreVersion;
 import org.springframework.util.ObjectUtils;
 
 /**