GN: Refine 'complete' static library handling

tools/gn/variables.cc

Index: tools/gn/variables.cc
diff --git a/tools/gn/variables.cc b/tools/gn/variables.cc
index 4d339f076661c0a8df0bcc06a760fb17e0bd30ae..2808a889072db830a9e1534581f5017efaa2dc1b 100644
--- a/tools/gn/variables.cc
+++ b/tools/gn/variables.cc
@@ -466,10 +466,7 @@ const char kCompleteStaticLib_Help[] =
     "  In some cases the static library might be the final desired output.\n"
     "  For example, you may be producing a static library for distribution to\n"
     "  third parties. In this case, the static library should include code\n"
-    "  for all dependencies in one complete package. Since GN does not unpack\n"
-    "  static libraries to forward their contents up the dependency chain,\n"
-    "  it is an error for complete static libraries to depend on other static\n"
-    "  libraries.\n"
+    "  for all dependencies in one complete package.\n"
     "\n"
     "Example\n"
     "\n"