Remove workaround for https://bugs.openjdk.org/browse/JDK-8027682

The bug was fixed in JDK 21, and google-java-format no longer supports earlier versions

The corresponding tests were removed in 18f8358

PiperOrigin-RevId: 861709714

Author: cushon

core/src/main/java/com/google/googlejavaformat/java/JavaInputAstVisitor.java

@@ -410,11 +410,6 @@ public Void visitCompilationUnit(CompilationUnitTree node, Void unused) {
     }
     dropEmptyDeclarations();
     for (Tree type : node.getTypeDecls()) {
-      if (type.getKind() == Tree.Kind.IMPORT) {
-        // javac treats extra semicolons in the import list as type declarations
-        // TODO(cushon): remove this if https://bugs.openjdk.java.net/browse/JDK-8027682 is fixed
-        continue;
-      }
       if (afterFirstToken) {
         builder.blankLineWanted(BlankLineWanted.YES);
       }
@@ -1244,8 +1239,6 @@ public Void visitImport(ImportTree node, Void unused) {
     }
     visitName(node.getQualifiedIdentifier());
     token(";");
-    // TODO(cushon): remove this if https://bugs.openjdk.java.net/browse/JDK-8027682 is fixed
-    dropEmptyDeclarations();
     return null;
   }