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/news/news.cpp

@@ -7,14 +7,11 @@
 #include "core/hle/service/news/news_u.h"
 #include "core/hle/service/service.h"
 
-namespace Service {
-namespace NEWS {
+namespace Service::NEWS {
 
 void InstallInterfaces(SM::ServiceManager& service_manager) {
     std::make_shared<NEWS_S>()->InstallAsService(service_manager);
     std::make_shared<NEWS_U>()->InstallAsService(service_manager);
 }
 
-} // namespace NEWS
-
-} // namespace Service
+} // namespace Service::NEWS

src/core/hle/service/news/news.h

@@ -4,10 +4,8 @@
 
 #pragma once
 
-namespace Service {
-namespace NEWS {
+namespace Service::NEWS {
 
 void InstallInterfaces(SM::ServiceManager& service_manager);
 
-} // namespace NEWS
-} // namespace Service
+} // namespace Service::NEWS

src/core/hle/service/news/news_s.cpp

@@ -5,8 +5,7 @@
 #include "core/hle/ipc_helpers.h"
 #include "core/hle/service/news/news_s.h"
 
-namespace Service {
-namespace NEWS {
+namespace Service::NEWS {
 
 void NEWS_S::GetTotalNotifications(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp(ctx, 0x5, 0, 0);
@@ -38,5 +37,4 @@ NEWS_S::NEWS_S() : ServiceFramework("news:s", 2) {
     RegisterHandlers(functions);
 }
 
-} // namespace NEWS
-} // namespace Service
+} // namespace Service::NEWS

src/core/hle/service/news/news_s.h

@@ -7,8 +7,7 @@
 #include <memory>
 #include "core/hle/service/service.h"
 
-namespace Service {
-namespace NEWS {
+namespace Service::NEWS {
 
 class NEWS_S final : public ServiceFramework<NEWS_S> {
 public:
@@ -27,5 +26,4 @@ private:
     void GetTotalNotifications(Kernel::HLERequestContext& ctx);
 };
 
-} // namespace NEWS
-} // namespace Service
+} // namespace Service::NEWS

src/core/hle/service/news/news_u.cpp

@@ -4,8 +4,7 @@
 
 #include "core/hle/service/news/news_u.h"
 
-namespace Service {
-namespace NEWS {
+namespace Service::NEWS {
 
 NEWS_U::NEWS_U() : ServiceFramework("news:u", 1) {
     const FunctionInfo functions[] = {
@@ -14,5 +13,4 @@ NEWS_U::NEWS_U() : ServiceFramework("news:u", 1) {
     RegisterHandlers(functions);
 }
 
-} // namespace NEWS
-} // namespace Service
+} // namespace Service::NEWS

src/core/hle/service/news/news_u.h

@@ -7,13 +7,11 @@
 #include <memory>
 #include "core/hle/service/service.h"
 
-namespace Service {
-namespace NEWS {
+namespace Service::NEWS {
 
 class NEWS_U final : public ServiceFramework<NEWS_U> {
 public:
     NEWS_U();
 };
 
-} // namespace NEWS
-} // namespace Service
+} // namespace Service::NEWS