Nest some more namespaces

Did someone previously suggest that all namespace had been
nested?  Silly.

Signed-off-by: Stephan Pleines <pleines.stephan@gmail.com>
Change-Id: I22278c1caaeba8b47dc46fb2ed3078c20a11e190
diff --git a/y2022/constants.h b/y2022/constants.h
index f27b6cd..b89613f 100644
--- a/y2022/constants.h
+++ b/y2022/constants.h
@@ -18,8 +18,7 @@
 
 using ::frc971::shooter_interpolation::InterpolationTable;
 
-namespace y2022 {
-namespace constants {
+namespace y2022::constants {
 
 constexpr uint16_t kCompTeamNumber = 971;
 constexpr uint16_t kPracticeTeamNumber = 9971;
@@ -276,7 +275,6 @@
 // Calls MakeValues with aos::network::GetTeamNumber()
 Values MakeValues();
 
-}  // namespace constants
-}  // namespace y2022
+}  // namespace y2022::constants
 
 #endif  // Y2022_CONSTANTS_H_