remove aspectj.

edu.tictactoe/build.gradle

@@ -4,12 +4,11 @@
 plugins {
     // Apply the java plugin.
     id 'application'
-    id("io.freefair.aspectj") version "9.2.0" 
 }
 
 java {
     toolchain {
-        languageVersion = JavaLanguageVersion.of(25)
+        languageVersion = JavaLanguageVersion.of(26)
     }
 }
 
@@ -28,14 +27,13 @@ repositories {
 dependencies {
    implementation("org.slf4j:slf4j-api:2.0.17")
    implementation("ch.qos.logback:logback-classic:1.5.26")
-   implementation("org.aspectj:aspectjrt:1.9.25") 
 }
 
 jar {
   manifest {
     attributes 'Automatic-Module-Name':'edu.tictactoe',
                'Main-Class': 'edu.tictactoe.App',
-               'Class-Path': 'edu.tictactoe org.aspectj.runtime' 
+               'Class-Path': 'edu.tictactoe.App' 
   }
   duplicatesStrategy = DuplicatesStrategy.EXCLUDE
   from { configurations.runtimeClasspath.collect { it.isDirectory() ? it : zipTree(it) } }
@@ -48,6 +46,6 @@ tasks.named('jar') {
                 'Implementation-Title': 'edu.tictactoe',
                 'Implementation-Version': 1.0,
                 'Main-Class': 'edu.tictactoe.App',
-                'Class-Path': 'edu.tictactoe org.aspectj.runtime' )
+                'Class-Path': 'edu.tictactoe.App' )
     }
 }