[build][dependencies] no dependencies from sonatype (#1315)

* [build][gradle][dependencies] makes adding dependencies easier

* [build][gradle][dependencies] adding dependencies to make performance independent from sonatype

performance/build.gradle

@@ -1,14 +1,9 @@
 buildscript {
     repositories {
-
-        maven {
-            //TODO: this path should be removed!!
-            url "https://oss.sonatype.org/content/repositories/snapshots"
-        }
+        mavenCentral()
         maven {
             url kotlinCompilerRepo
         }
-        mavenCentral()
     }
 
     dependencies {
@@ -18,14 +13,9 @@ buildscript {
 }
 
 repositories {
-    maven {
-        //TODO: this path should be removed!!
-        url "https://oss.sonatype.org/content/repositories/snapshots"
-    }
     maven {
         url kotlinCompilerRepo
     }
-    mavenCentral()
 }
 
 //TODO: property