Native: do not cache DependencyProcessor.localKonanDir

Caching is wrong when the compiler is working in Gradle daemon, because
the daemon can change the environment, while localKonanDir depends on
the environment.

kotlin-native/shared/src/main/kotlin/org/jetbrains/kotlin/konan/util/DependencyProcessor.kt

@@ -222,9 +222,8 @@ class DependencyProcessor(dependenciesRoot: File,
     }
 
     companion object {
-        val localKonanDir: File by lazy {
-            File(System.getenv("KONAN_DATA_DIR") ?: (System.getProperty("user.home") + File.separator + ".konan"))
-        }
+        val localKonanDir: File
+            get() = File(System.getenv("KONAN_DATA_DIR") ?: (System.getProperty("user.home") + File.separator + ".konan"))
 
         @JvmStatic
         val defaultDependenciesRoot: File