Remove RightDarkScan (#5800)

remove dead source

src/es/rightdarkscan/build.gradle

@@ -1,9 +0,0 @@
-ext {
-    extName = 'Rightdark Scan'
-    extClass = '.RightdarkScan'
-    themePkg = 'madara'
-    baseUrl = 'https://rsdleft.com'
-    overrideVersionCode = 4
-}
-
-apply from: "$rootDir/common.gradle"

src/es/rightdarkscan/src/eu/kanade/tachiyomi/extension/es/rightdarkscan/RightdarkScan.kt

@@ -1,20 +0,0 @@
-package eu.kanade.tachiyomi.extension.es.rightdarkscan
-
-import eu.kanade.tachiyomi.multisrc.madara.Madara
-import eu.kanade.tachiyomi.network.interceptor.rateLimit
-import java.text.SimpleDateFormat
-import java.util.Locale
-
-class RightdarkScan : Madara(
-    "Rightdark Scan",
-    "https://rsdleft.com",
-    "es",
-    SimpleDateFormat("MMMM dd, yyyy", Locale("es")),
-) {
-    override val client = super.client.newBuilder()
-        .rateLimit(2, 1)
-        .build()
-
-    override val useNewChapterEndpoint = true
-    override val useLoadMoreRequest = LoadMoreStrategy.Always
-}