Revert of Address some TODO(GYP_GONE)s

chrome/installer/linux/BUILD.gn

Index: chrome/installer/linux/BUILD.gn
diff --git a/chrome/installer/linux/BUILD.gn b/chrome/installer/linux/BUILD.gn
index d8fd944ab6b5761f5c2ff63b16163393d657704e..9e5dafbcd9542907401602e4e816d60e45f8637b 100644
--- a/chrome/installer/linux/BUILD.gn
+++ b/chrome/installer/linux/BUILD.gn
@@ -47,6 +47,18 @@
     ":beta",
     ":stable",
     ":unstable",
+  ]
+}
+
+# This target is provided for compatibility w/ GYP. Users should always
+# depend directly on :linux instead of this target (we set visibility
+# to the empty list to prevent unwanted callers).
+# TODO(GYP_GONE): Delete this target after we've migrated away from GYP and
+# updated the bots to build :linux instead.
+group("linux_packages_all") {
+  visibility = []
+  deps = [
+    ":linux",
   ]
 }