Revert "MLib auf 3.0.19 aktualisiert"

This reverts commit 7bb7136.

Author: alex1702

build.gradle

@@ -33,7 +33,7 @@ def jarName = 'MServer.jar'
 def mainClass = 'mServer.Main'
 
 dependencies {
-    implementation 'de.mediathekview:MLib:3.0.19'
+    implementation 'de.mediathekview:MLib:3.0.18'
     implementation 'commons-net:commons-net:3.9.0'
     implementation 'org.apache.commons:commons-compress:1.22'
     implementation 'org.apache.commons:commons-text:1.10.0'