Remove leftover equals implementations

Author: Daniil Zulin

topic/src/main/java/tech/ydb/topic/description/MultipleWindowsStat.java

@@ -1,7 +1,5 @@
 package tech.ydb.topic.description;
 
-import java.util.Objects;
-
 import tech.ydb.proto.topic.YdbTopic;
 
 /**
@@ -35,18 +33,4 @@ public long getPerHour() {
     public long getPerDay() {
         return perDay;
     }
-
-    @Override
-    public boolean equals(Object o) {
-        if (o == null || getClass() != o.getClass()) {
-            return false;
-        }
-        MultipleWindowsStat that = (MultipleWindowsStat) o;
-        return perMinute == that.perMinute && perHour == that.perHour && perDay == that.perDay;
-    }
-
-    @Override
-    public int hashCode() {
-        return Objects.hash(perMinute, perHour, perDay);
-    }
 }

topic/src/main/java/tech/ydb/topic/read/impl/OffsetsRangeImpl.java

@@ -1,7 +1,5 @@
 package tech.ydb.topic.read.impl;
 
-import java.util.Objects;
-
 import tech.ydb.topic.description.OffsetsRange;
 
 /**
@@ -38,18 +36,4 @@ public void setStart(long start) {
     public void setEnd(long end) {
         this.end = end;
     }
-
-    @Override
-    public boolean equals(Object o) {
-        if (o == null || getClass() != o.getClass()) {
-            return false;
-        }
-        OffsetsRangeImpl that = (OffsetsRangeImpl) o;
-        return start == that.start && end == that.end;
-    }
-
-    @Override
-    public int hashCode() {
-        return Objects.hash(start, end);
-    }
 }