Nhentai | Fixed NPE in regex parser (#6389)

* Improve dataRegex

* Bump versionCode

* Use a more greedy regex

* Remove debug logging

* Remove unused import

src/all/nhentai/build.gradle

@@ -1,7 +1,7 @@
 ext {
     extName = 'NHentai'
     extClass = '.NHFactory'
-    extVersionCode = 49
+    extVersionCode = 50
     isNsfw = true
 }
 

src/all/nhentai/src/eu/kanade/tachiyomi/extension/all/nhentai/NHentai.kt

@@ -74,7 +74,7 @@ open class NHentai(
     }
 
     private val shortenTitleRegex = Regex("""(\[[^]]*]|[({][^)}]*[)}])""")
-    private val dataRegex = Regex("""JSON.parse\("([^*]*)"\)""")
+    private val dataRegex = Regex("""JSON\.parse\(\s*"(.*)"\s*\)""")
     private val hentaiSelector = "script:containsData(JSON.parse):not(:containsData(media_server))"
     private fun String.shortenTitle() = this.replace(shortenTitleRegex, "").trim()