Do not obfuscate username in Gradle build scans.

Test: None
Change-Id: Ic3ca3986d4e6fcd4610fda46a6f319a078496b54
diff --git a/playground-common/playground-plugin/src/main/groovy/androidx/playground/GradleEnterpriseConventionsPlugin.groovy b/playground-common/playground-plugin/src/main/groovy/androidx/playground/GradleEnterpriseConventionsPlugin.groovy
index abcf664..7fabead 100644
--- a/playground-common/playground-plugin/src/main/groovy/androidx/playground/GradleEnterpriseConventionsPlugin.groovy
+++ b/playground-common/playground-plugin/src/main/groovy/androidx/playground/GradleEnterpriseConventionsPlugin.groovy
@@ -35,7 +35,6 @@
                     taskInputFiles = true
                 }
                 obfuscation {
-                    username { name -> "unset" }
                     hostname { host -> "unset" }
                     ipAddresses { addresses -> addresses.collect { address -> "0.0.0.0"} }
                 }