Remove HERE macro

Some cleanup.
Add location to some functions.

rpcs3/Emu/System.cpp

@@ -82,6 +82,9 @@ atomic_t<u32> g_progr_fdone{0};
 atomic_t<u32> g_progr_ptotal{0};
 atomic_t<u32> g_progr_pdone{0};
 
+// Report error and call std::abort(), defined in main.cpp
+[[noreturn]] void report_fatal_error(const std::string&);
+
 namespace
 {
 	struct progress_dialog_server;