service: Use nested namespace specifiers where applicable

There were a few places where nested namespace specifiers weren't being
used where they could be within the service code. This amends that to
make the namespacing a tiny bit more compact.

src/core/hle/service/cam/cam.cpp

@@ -19,8 +19,7 @@
 #include "core/memory.h"
 #include "core/settings.h"
 
-namespace Service {
-namespace CAM {
+namespace Service::CAM {
 
 static std::weak_ptr<Module> current_cam;
 
@@ -1065,6 +1064,4 @@ void InstallInterfaces(SM::ServiceManager& service_manager) {
     std::make_shared<CAM_Q>()->InstallAsService(service_manager);
 }
 
-} // namespace CAM
-
-} // namespace Service
+} // namespace Service::CAM

src/core/hle/service/cam/cam.h

@@ -25,8 +25,7 @@ namespace Kernel {
 class Process;
 }
 
-namespace Service {
-namespace CAM {
+namespace Service::CAM {
 
 enum CameraIndex {
     OuterRightCamera = 0,
@@ -785,5 +784,4 @@ void ReloadCameraDevices();
 
 void InstallInterfaces(SM::ServiceManager& service_manager);
 
-} // namespace CAM
-} // namespace Service
+} // namespace Service::CAM

src/core/hle/service/cam/cam_c.cpp

@@ -5,8 +5,7 @@
 #include "core/hle/service/cam/cam.h"
 #include "core/hle/service/cam/cam_c.h"
 
-namespace Service {
-namespace CAM {
+namespace Service::CAM {
 
 CAM_C::CAM_C(std::shared_ptr<Module> cam) : Module::Interface(std::move(cam), "cam:c", 1) {
     static const FunctionInfo functions[] = {
@@ -79,5 +78,4 @@ CAM_C::CAM_C(std::shared_ptr<Module> cam) : Module::Interface(std::move(cam), "c
     RegisterHandlers(functions);
 }
 
-} // namespace CAM
-} // namespace Service
+} // namespace Service::CAM

src/core/hle/service/cam/cam_c.h

@@ -6,13 +6,11 @@
 
 #include "core/hle/service/cam/cam.h"
 
-namespace Service {
-namespace CAM {
+namespace Service::CAM {
 
 class CAM_C final : public Module::Interface {
 public:
     explicit CAM_C(std::shared_ptr<Module> cam);
 };
 
-} // namespace CAM
-} // namespace Service
+} // namespace Service::CAM

src/core/hle/service/cam/cam_q.cpp

@@ -4,8 +4,7 @@
 
 #include "core/hle/service/cam/cam_q.h"
 
-namespace Service {
-namespace CAM {
+namespace Service::CAM {
 
 CAM_Q::CAM_Q() : ServiceFramework("cam:q", 1 /*TODO: find the true value*/) {
     // Empty arrays are illegal -- commented out until an entry is added.
@@ -13,5 +12,4 @@ CAM_Q::CAM_Q() : ServiceFramework("cam:q", 1 /*TODO: find the true value*/) {
     // RegisterHandlers(functions);
 }
 
-} // namespace CAM
-} // namespace Service
+} // namespace Service::CAM

src/core/hle/service/cam/cam_q.h

@@ -6,13 +6,11 @@
 
 #include "core/hle/service/service.h"
 
-namespace Service {
-namespace CAM {
+namespace Service::CAM {
 
 class CAM_Q : public ServiceFramework<CAM_Q> {
 public:
     CAM_Q();
 };
 
-} // namespace CAM
-} // namespace Service
+} // namespace Service::CAM

src/core/hle/service/cam/cam_s.cpp

@@ -5,8 +5,7 @@
 #include "core/hle/service/cam/cam.h"
 #include "core/hle/service/cam/cam_s.h"
 
-namespace Service {
-namespace CAM {
+namespace Service::CAM {
 
 CAM_S::CAM_S(std::shared_ptr<Module> cam) : Module::Interface(std::move(cam), "cam:s", 1) {
     static const FunctionInfo functions[] = {
@@ -79,5 +78,4 @@ CAM_S::CAM_S(std::shared_ptr<Module> cam) : Module::Interface(std::move(cam), "c
     RegisterHandlers(functions);
 }
 
-} // namespace CAM
-} // namespace Service
+} // namespace Service::CAM

src/core/hle/service/cam/cam_s.h

@@ -6,13 +6,11 @@
 
 #include "core/hle/service/cam/cam.h"
 
-namespace Service {
-namespace CAM {
+namespace Service::CAM {
 
 class CAM_S final : public Module::Interface {
 public:
     explicit CAM_S(std::shared_ptr<Module> cam);
 };
 
-} // namespace CAM
-} // namespace Service
+} // namespace Service::CAM

src/core/hle/service/cam/cam_u.cpp

@@ -5,8 +5,7 @@
 #include "core/hle/service/cam/cam.h"
 #include "core/hle/service/cam/cam_u.h"
 
-namespace Service {
-namespace CAM {
+namespace Service::CAM {
 
 CAM_U::CAM_U(std::shared_ptr<Module> cam) : Module::Interface(std::move(cam), "cam:u", 1) {
     static const FunctionInfo functions[] = {
@@ -79,5 +78,4 @@ CAM_U::CAM_U(std::shared_ptr<Module> cam) : Module::Interface(std::move(cam), "c
     RegisterHandlers(functions);
 }
 
-} // namespace CAM
-} // namespace Service
+} // namespace Service::CAM

src/core/hle/service/cam/cam_u.h

@@ -6,13 +6,11 @@
 
 #include "core/hle/service/cam/cam.h"
 
-namespace Service {
-namespace CAM {
+namespace Service::CAM {
 
 class CAM_U final : public Module::Interface {
 public:
     explicit CAM_U(std::shared_ptr<Module> cam);
 };
 
-} // namespace CAM
-} // namespace Service
+} // namespace Service::CAM