Delete outdated comment

GetInstallBase populates extracted_binaries.

PiperOrigin-RevId: 228129688
diff --git a/src/main/cpp/blaze.cc b/src/main/cpp/blaze.cc
index 8161429..10dd0c9 100644
--- a/src/main/cpp/blaze.cc
+++ b/src/main/cpp/blaze.cc
@@ -1038,7 +1038,6 @@
 // it is in place. Concurrency during extraction is handled by
 // extracting in a tmp dir and then renaming it into place where it
 // becomes visible automically at the new path.
-// Populates globals->extracted_binaries with their extracted locations.
 static void ExtractData(const string &self_path) {
   // If the install dir doesn't exist, create it, if it does, we know it's good.
   if (!blaze_util::PathExists(globals->options->install_base)) {