update snapshot usage doc

README.md

@@ -94,36 +94,20 @@ Version [3.3.0](http://xvik.github.io/gradle-quality-plugin/3.3.0) is the latest
 * Select `Commits` section and click `Get it` on commit you want to use (you may need to wait while version builds if no one requested it before)
  or use `master-SNAPSHOT` to use the most recent snapshot
 
-For gradle before 6.0 use `buildscript` block with required commit hash as version:
-
-```groovy
-buildscript {
- repositories {
- maven { url 'https://jitpack.io' }
- }
- dependencies {
- classpath 'ru.vyarus:gradle-quality-plugin:b9474cab84'
- }
-}
-apply plugin: 'ru.vyarus.quality'
-```
-
-For gradle 6.0 and above:
-
-* Add to `settings.gradle` (top most!) with required commit hash as version:
+* Add to `settings.gradle` (top most!) (exact commit hash might be used as version):
 
  ```groovy
  pluginManagement {
  resolutionStrategy {
  eachPlugin {
- if (requested.id.namespace == 'ru.vyarus.quality') {
- useModule('ru.vyarus:gradle-quality-plugin:b9474cab84')
+ if (requested.id.id == 'ru.vyarus.quality') {
+ useModule('ru.vyarus:gradle-quality-plugin:master-SNAPSHOT')
  }
  }
  }
- repositories {
- maven { url 'https://jitpack.io' }
- gradlePluginPortal() 
+ repositories { 
+ gradlePluginPortal()
+ maven { url 'https://jitpack.io' }  
  }
  } 
  ```