Remove product name precomputed value.

PiperOrigin-RevId: 169723724
diff --git a/src/main/java/com/google/devtools/build/lib/runtime/BlazeRuntime.java b/src/main/java/com/google/devtools/build/lib/runtime/BlazeRuntime.java
index b55de409..b904e1d 100644
--- a/src/main/java/com/google/devtools/build/lib/runtime/BlazeRuntime.java
+++ b/src/main/java/com/google/devtools/build/lib/runtime/BlazeRuntime.java
@@ -204,8 +204,8 @@
     for (BlazeModule module : blazeModules) {
       module.workspaceInit(this, directories, builder);
     }
-    this.workspace = builder.build(
-        this, packageFactory, ruleClassProvider, getProductName(), eventBusExceptionHandler);
+    this.workspace =
+        builder.build(this, packageFactory, ruleClassProvider, eventBusExceptionHandler);
     return workspace;
   }