Legacy cleanup (#3383)

* WIP - small legacy cleanup

Signed-off-by: nemerle <96597+nemerle@users.noreply.github.com>

* More cleanups + build fixes

Use AZstd instead of std types in a few places.
Remove m_nameTable.

Signed-off-by: nemerle <96597+nemerle@users.noreply.github.com>

* Legacy code cleanups

Remove unused methods using legacy functionality

* EditorViewportWidget::AdjustObjectPosition
* DisplayContext - remove `renderer` pointer
* DisplayContext - log errors when functions using `renderer` are called
* CTrackGizmo::DrawAxis - log errors when function uses `renderer`.
* Legacy CCamera - remove Project, Unproject and CalcScreenBounds
* Remove all unused methods from Cry_GeoDistance.h/Cry_GeoIntersect.h
* Remove Lineseg_Triangle from Cry_GeoOverlap.h
* IEntityRenderState.h - remove unused types
* SMeshColor remove Lerp method and associated constructor.
* IMaterial.h - remove unused types and a few methods
* IRenderMesh.h - remove a few unused methods and use int8 instead of
byte
* IRender.h - remove almost all of the contents
* IShader.h - remove unused types and a few methods
* IStatObj.h - remove unused types and a few methods
* SSystemGlobalEnvironment - remove `renderer` pointer
* IRenderGraph - remove 2 unused methods
* physinterface.h - remove almost all of the contents
* CXmlUtils no longer inherits ISystemEventListener
* CXmlNode no longer has custom new/delete
* Remove IRenderer from some test mocks.

Removed files:
* CryName.h
* Cry_MatrixDiag.h
* Cry_XOptimise.h
* HeapAllocator.h
* IRendererMock.h
* PoolAllocator.h

Things to consider:
* Remove GetMemoryUsage & friends.

Signed-off-by: nemerle <96597+nemerle@users.noreply.github.com>

* Apply review suggestions

IMovieSystem.h - remove unused includes.

Signed-off-by: nemerle <96597+nemerle@users.noreply.github.com>

* Move unreachable code to `#if 0` block

This is hopefully temporary measure until the original functionality is
re-implemented

Signed-off-by: nemerle <96597+nemerle@users.noreply.github.com>

* Fix bad merge I messed up.

Fix bad merge I messed up, by re-removing FrameProfiler.h from crycommon_files.cmake (this was removed in an earlier commit this morning: https://github.com/o3de/o3de/pull/3394).

Signed-off-by: bosnichd <bosnichd@amazon.com>

* Update Code/Framework/AzCore/AzCore/std/string/string_view.h

Co-authored-by: lumberyard-employee-dm <56135373+lumberyard-employee-dm@users.noreply.github.com>
Signed-off-by: nemerle <96597+nemerle@users.noreply.github.com>

* implement review suggestion

Signed-off-by: nemerle <96597+nemerle@users.noreply.github.com>

* following review, using LYSHINE_ATOM_TODO to guard

Signed-off-by: nemerle <96597+nemerle@users.noreply.github.com>

* Remove commented out include

Signed-off-by: nemerle <96597+nemerle@users.noreply.github.com>

* EditorViewportWidget.cpp: Convert commented out code to  guarded one

Signed-off-by: nemerle <96597+nemerle@users.noreply.github.com>

Co-authored-by: bosnichd <bosnichd@amazon.com>
Co-authored-by: lumberyard-employee-dm <56135373+lumberyard-employee-dm@users.noreply.github.com>

Gems/LyShine/Code/Tests/TextInputComponentTest.cpp

@@ -8,7 +8,6 @@
 
 #include "LyShineTest.h"
 
-#include <Mocks/IRendererMock.h>
 #include "UiGameEntityContext.h"
 #include "UiElementComponent.h"
 #include "UiTransform2dComponent.h"
@@ -118,13 +117,10 @@ namespace UnitTest
             m_priorEnv = gEnv;
             gEnv = &m_env->m_stubEnv;
 
-            m_data = AZStd::make_unique<DataMembers>();
-            m_env->m_stubEnv.pRenderer = &m_data->m_renderer;
         }
 
         void TearDown() override
         {
-            m_data.reset();
             m_env.reset();
             gEnv = m_priorEnv;
 
@@ -140,12 +136,7 @@ namespace UnitTest
             SSystemGlobalEnvironment m_stubEnv;
         };
 
-        struct DataMembers
-        {
-            testing::NiceMock<IRendererMock> m_renderer;
-        };
 
-        AZStd::unique_ptr<DataMembers> m_data;
         AZStd::unique_ptr<StubEnv> m_env;
 
         SSystemGlobalEnvironment* m_priorEnv = nullptr;