service: Use nested namespace specifiers where applicable

Tidies up namespace declarations

src/core/hle/service/acc/acc.cpp

@@ -10,8 +10,7 @@
 #include "core/hle/service/acc/acc_u0.h"
 #include "core/hle/service/acc/acc_u1.h"
 
-namespace Service {
-namespace Account {
+namespace Service::Account {
 
 // TODO: RE this structure
 struct UserData {
@@ -148,5 +147,4 @@ void InstallInterfaces(SM::ServiceManager& service_manager) {
     std::make_shared<ACC_U1>(module)->InstallAsService(service_manager);
 }
 
-} // namespace Account
-} // namespace Service
+} // namespace Service::Account

src/core/hle/service/acc/acc.h

@@ -6,8 +6,7 @@
 
 #include "core/hle/service/service.h"
 
-namespace Service {
-namespace Account {
+namespace Service::Account {
 
 class Module final {
 public:
@@ -31,5 +30,4 @@ public:
 /// Registers all ACC services with the specified service manager.
 void InstallInterfaces(SM::ServiceManager& service_manager);
 
-} // namespace Account
-} // namespace Service
+} // namespace Service::Account

src/core/hle/service/acc/acc_aa.cpp

@@ -4,8 +4,7 @@
 
 #include "core/hle/service/acc/acc_aa.h"
 
-namespace Service {
-namespace Account {
+namespace Service::Account {
 
 ACC_AA::ACC_AA(std::shared_ptr<Module> module) : Module::Interface(std::move(module), "acc:aa") {
     static const FunctionInfo functions[] = {
@@ -18,5 +17,4 @@ ACC_AA::ACC_AA(std::shared_ptr<Module> module) : Module::Interface(std::move(mod
     RegisterHandlers(functions);
 }
 
-} // namespace Account
-} // namespace Service
+} // namespace Service::Account

src/core/hle/service/acc/acc_aa.h

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

src/core/hle/service/acc/acc_su.cpp

@@ -4,8 +4,7 @@
 
 #include "core/hle/service/acc/acc_su.h"
 
-namespace Service {
-namespace Account {
+namespace Service::Account {
 
 ACC_SU::ACC_SU(std::shared_ptr<Module> module) : Module::Interface(std::move(module), "acc:su") {
     static const FunctionInfo functions[] = {
@@ -51,5 +50,4 @@ ACC_SU::ACC_SU(std::shared_ptr<Module> module) : Module::Interface(std::move(mod
     RegisterHandlers(functions);
 }
 
-} // namespace Account
-} // namespace Service
+} // namespace Service::Account

src/core/hle/service/acc/acc_u0.cpp

@@ -4,8 +4,7 @@
 
 #include "core/hle/service/acc/acc_u0.h"
 
-namespace Service {
-namespace Account {
+namespace Service::Account {
 
 ACC_U0::ACC_U0(std::shared_ptr<Module> module) : Module::Interface(std::move(module), "acc:u0") {
     static const FunctionInfo functions[] = {
@@ -31,5 +30,4 @@ ACC_U0::ACC_U0(std::shared_ptr<Module> module) : Module::Interface(std::move(mod
     RegisterHandlers(functions);
 }
 
-} // namespace Account
-} // namespace Service
+} // namespace Service::Account

src/core/hle/service/acc/acc_u0.h

@@ -6,13 +6,11 @@
 
 #include "core/hle/service/acc/acc.h"
 
-namespace Service {
-namespace Account {
+namespace Service::Account {
 
 class ACC_U0 final : public Module::Interface {
 public:
     explicit ACC_U0(std::shared_ptr<Module> module);
 };
 
-} // namespace Account
-} // namespace Service
+} // namespace Service::Account

src/core/hle/service/acc/acc_u1.cpp

@@ -4,8 +4,7 @@
 
 #include "core/hle/service/acc/acc_u1.h"
 
-namespace Service {
-namespace Account {
+namespace Service::Account {
 
 ACC_U1::ACC_U1(std::shared_ptr<Module> module) : Module::Interface(std::move(module), "acc:u1") {
     static const FunctionInfo functions[] = {
@@ -38,5 +37,4 @@ ACC_U1::ACC_U1(std::shared_ptr<Module> module) : Module::Interface(std::move(mod
     RegisterHandlers(functions);
 }
 
-} // namespace Account
-} // namespace Service
+} // namespace Service::Account

src/core/hle/service/acc/acc_u1.h

@@ -6,13 +6,11 @@
 
 #include "core/hle/service/acc/acc.h"
 
-namespace Service {
-namespace Account {
+namespace Service::Account {
 
 class ACC_U1 final : public Module::Interface {
 public:
     explicit ACC_U1(std::shared_ptr<Module> module);
 };
 
-} // namespace Account
-} // namespace Service
+} // namespace Service::Account