Remove annotation processing which cause warnings on jdk21

Author: gnodet

plexus-compilers/plexus-compiler-javac/src/test/java/org/codehaus/plexus/compiler/javac/JavacCompilerTest.java

@@ -1,5 +1,6 @@
 package org.codehaus.plexus.compiler.javac;
 
+import org.codehaus.plexus.compiler.CompilerConfiguration;
 import org.codehaus.plexus.compiler.CompilerMessage;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
@@ -44,6 +45,13 @@ public void setUp()
         setForceJavacCompilerUse( true );
     }
 
+    protected void configureCompilerConfig( CompilerConfiguration compilerConfig )
+    {
+        if (getJavaVersion().contains("21")) {
+            compilerConfig.setProc("none");
+        }
+    }
+
     @Test
     void parseModernStream_withAnnotationProcessingErrors() throws IOException
     {

plexus-compilers/plexus-compiler-javac/src/test/java/org/codehaus/plexus/compiler/javac/JavaxToolsCompilerTest.java

@@ -18,11 +18,21 @@
  * under the License.
  */
 
+import org.codehaus.plexus.compiler.CompilerConfiguration;
+
 /**
  * @author Olivier Lamy
  */
 public class JavaxToolsCompilerTest
     extends AbstractJavacCompilerTest
 {
     // no op default is to javax.tools if available
+
+    protected void configureCompilerConfig( CompilerConfiguration compilerConfig )
+    {
+        if (getJavaVersion().contains("21")) {
+            compilerConfig.setProc("none");
+        }
+    }
+
 }