Remove unused imports

Author: akarnokd

src/main/java/io/reactivex/rxjava3/core/Completable.java

@@ -18,7 +18,6 @@
 import org.reactivestreams.*;
 
 import io.reactivex.rxjava3.annotations.*;
-import io.reactivex.rxjava3.core.Observable;
 import io.reactivex.rxjava3.disposables.Disposable;
 import io.reactivex.rxjava3.exceptions.*;
 import io.reactivex.rxjava3.functions.*;

src/main/java/io/reactivex/rxjava3/core/Maybe.java

@@ -20,7 +20,6 @@
 import org.reactivestreams.*;
 
 import io.reactivex.rxjava3.annotations.*;
-import io.reactivex.rxjava3.core.Observable;
 import io.reactivex.rxjava3.disposables.Disposable;
 import io.reactivex.rxjava3.exceptions.*;
 import io.reactivex.rxjava3.functions.*;