Remove implementation of set compatible versions task (#134896) (#134922)

This task will go away with the new transport version system. In the
meantime, this commit removes the implementation so that the task still
exists so release automation can proceed.

Co-authored-by: Mariusz Jozala <[email protected]>

Author: rjernst

build-tools-internal/src/main/java/org/elasticsearch/gradle/internal/release/SetCompatibleVersionsTask.java

@@ -9,22 +9,14 @@
 
 package org.elasticsearch.gradle.internal.release;
 
-import com.github.javaparser.StaticJavaParser;
-import com.github.javaparser.ast.CompilationUnit;
-import com.github.javaparser.ast.body.ClassOrInterfaceDeclaration;
-import com.github.javaparser.ast.expr.NameExpr;
-import com.github.javaparser.printer.lexicalpreservation.LexicalPreservingPrinter;
-
 import org.elasticsearch.gradle.Version;
 import org.gradle.api.tasks.TaskAction;
 import org.gradle.api.tasks.options.Option;
 import org.gradle.initialization.layout.BuildLayout;
 
 import java.io.IOException;
-import java.nio.file.Path;
 import java.util.List;
 import java.util.Map;
-import java.util.Optional;
 
 import javax.inject.Inject;
 
@@ -68,34 +60,5 @@ public void executeTask() throws IOException {
         if (transportVersion == null) {
             throw new IllegalArgumentException("TransportVersion id not specified");
         }
-        Path versionJava = rootDir.resolve(TRANSPORT_VERSIONS_FILE_PATH);
-        CompilationUnit file = LexicalPreservingPrinter.setup(StaticJavaParser.parse(versionJava));
-
-        Optional<CompilationUnit> modifiedFile;
-
-        modifiedFile = setMinimumCcsTransportVersion(file, transportVersion);
-
-        if (modifiedFile.isPresent()) {
-            writeOutNewContents(versionJava, modifiedFile.get());
-        }
-    }
-
-    static Optional<CompilationUnit> setMinimumCcsTransportVersion(CompilationUnit unit, int transportVersion) {
-        ClassOrInterfaceDeclaration transportVersions = unit.getClassByName("TransportVersions").get();
-
-        String tvConstantName = transportVersions.getFields().stream().filter(f -> {
-            var i = findSingleIntegerExpr(f);
-            return i.isPresent() && i.getAsInt() == transportVersion;
-        })
-            .map(f -> f.getVariable(0).getNameAsString())
-            .findFirst()
-            .orElseThrow(() -> new IllegalStateException("Could not find constant for id " + transportVersion));
-
-        transportVersions.getFieldByName("MINIMUM_CCS_VERSION")
-            .orElseThrow(() -> new IllegalStateException("Could not find MINIMUM_CCS_VERSION constant"))
-            .getVariable(0)
-            .setInitializer(new NameExpr(tvConstantName));
-
-        return Optional.of(unit);
     }
 }