fix parseChapterPage selector (#5773)

src/all/ehentai/build.gradle

@@ -1,7 +1,7 @@
 ext {
     extName = 'E-Hentai'
     extClass = '.EHFactory'
-    extVersionCode = 20
+    extVersionCode = 21
     isNsfw = true
 }
 

src/all/ehentai/src/eu/kanade/tachiyomi/extension/all/ehentai/EHentai.kt

@@ -131,9 +131,9 @@ abstract class EHentai(
     }
 
     private fun parseChapterPage(response: Element) = with(response) {
-        select(".gdtm a").map {
-            Pair(it.child(0).attr("alt").toInt(), it.attr("href"))
-        }.sortedBy(Pair<Int, String>::first).map { it.second }
+        select("#gdt a").map {
+            it.attr("href")
+        }
     }
 
     private fun chapterPageCall(np: String) = client.newCall(chapterPageRequest(np)).asObservableSuccess()