removed tcpp submodule

Author: CSkrzypczak

.gitmodules

@@ -78,9 +78,6 @@
 	path = 3rdparty/dxc/dxc
 	url = [email protected]:Devsh-Graphics-Programming/DirectXShaderCompiler.git
 	branch = devshFixes
-[submodule "3rdparty/tcpp"]
-	path = 3rdparty/tcpp
-	url = [email protected]:Erfan-Ahmadi/tcpp.git
 [submodule "3rdparty/imgui"]
 	path = 3rdparty/imgui
 	url = [email protected]:Devsh-Graphics-Programming/imgui.git