Set root project name, remove jcenter for plugin resolution

(cherry picked from commit 5801297d78)

build.gradle.kts

@@ -38,10 +38,6 @@ buildscript {
         // Firebase Crashlytics
         classpath("com.google.firebase:firebase-crashlytics-gradle:2.7.1")
     }
-    repositories {
-        google()
-        jcenter()
-    }
 }
 
 tasks.register("clean", Delete::class) {

settings.gradle.kts

@@ -13,8 +13,8 @@ pluginManagement {
         gradlePluginPortal()
         google()
         mavenCentral()
-        jcenter()
     }
 }
 
+rootProject.name = "TachiyomiSY"
 include(":app")