x86emitter: Purge empty file sse_helpers.h.

Code was removed in
60a9463e7a
Right now it's useless.
Update VS/cmake project files to remove any mentions of the file as
well.

common/build/x86emitter/x86emitter.vcxproj

@@ -86,7 +86,6 @@
     <ClInclude Include="..\..\include\x86emitter\legacy_internal.h" />
     <ClInclude Include="..\..\include\x86emitter\legacy_types.h" />
     <ClInclude Include="..\..\src\x86emitter\PrecompiledHeader.h" />
-    <ClInclude Include="..\..\include\x86emitter\sse_helpers.h" />
     <ClInclude Include="..\..\include\x86emitter\tools.h" />
     <ClInclude Include="..\..\include\x86emitter\x86emitter.h" />
     <ClInclude Include="..\..\include\x86emitter\x86types.h" />

common/build/x86emitter/x86emitter.vcxproj.filters

@@ -89,9 +89,6 @@
     <ClInclude Include="..\..\src\x86emitter\PrecompiledHeader.h">
       <Filter>Header Files</Filter>
     </ClInclude>
-    <ClInclude Include="..\..\include\x86emitter\sse_helpers.h">
-      <Filter>Header Files</Filter>
-    </ClInclude>
     <ClInclude Include="..\..\include\x86emitter\tools.h">
       <Filter>Header Files</Filter>
     </ClInclude>

common/src/x86emitter/CMakeLists.txt

@@ -50,7 +50,6 @@ set(x86emitterHeaders
 	../../include/x86emitter/legacy_instructions.h
 	../../include/x86emitter/legacy_internal.h
 	../../include/x86emitter/legacy_types.h
-	../../include/x86emitter/sse_helpers.h
 	../../include/x86emitter/tools.h
 	../../include/x86emitter/x86emitter.h
 	../../include/x86emitter/x86types.h

pcsx2/x86/iR5900.h

@@ -17,7 +17,6 @@
 #define __IR5900_H__
 
 #include "x86emitter/x86emitter.h"
-#include "x86emitter/sse_helpers.h"
 #include "R5900.h"
 #include "VU.h"
 #include "iCore.h"