Removed dead code in program_manager.cc

gpu/command_buffer/service/program_manager.cc

Index: gpu/command_buffer/service/program_manager.cc
diff --git a/gpu/command_buffer/service/program_manager.cc b/gpu/command_buffer/service/program_manager.cc
index f0c9141e6d5353a261aacacb2d17bb3878a703ba..43cf44dd230aa992ed49835922161802cc6f669a 100644
--- a/gpu/command_buffer/service/program_manager.cc
+++ b/gpu/command_buffer/service/program_manager.cc
@@ -83,10 +83,6 @@ bool GetUniformNameSansElement(
     index = index * 10 + digit;
   }
 
-  if (index < 0) {
-    return false;
-  }
-
   *element_index = index;
   *new_name = name.substr(0, open_pos);
   return true;