fix gradle build

build.gradle

@@ -1,23 +1,4 @@
-plugins {
-    id "com.github.spotbugs" version "1.6.5"
-    id 'ru.vyarus.quality' version '3.0.0'
-}
-
 apply plugin: 'java'
-apply plugin: "ru.vyarus.quality"
-
-quality {
-    exclude '**/generated/*'
-    sourceSets = [project.sourceSets.main, project.sourceSets.test]
-
-    spotbugsVersion = '3.1.8'
-    spotbugs = true // false to disable automatic plugin activation
-    spotbugsEffort = 'max'  // min, less, more or max
-    spotbugsLevel = 'high' // low, medium, high
-
-    checkstyle = false
-    pmd = false
-}
 
 repositories {
     mavenCentral()

gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-5.6-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.2.2-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists