SDL: Remove EXTRA_CFLAGS. (f3c19)

SDL Commits
1 
From f3c194f39a6d554b6beca5b3ce888913f3d7f40e Mon Sep 17 00:00:00 2001
From: Wolfywolfy <[EMAIL REDACTED]>
Date: Fri, 20 Dec 2024 17:42:40 -0300
Subject: [PATCH] Remove EXTRA_CFLAGS.

(cherry picked from commit 9491389baf61f2dc509a499bf52afa73be94e80f)
---
 CMakeLists.txt | 2 --
 1 file changed, 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5c15f2f254384..56d1d512f59cf 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2767,8 +2767,6 @@ elseif(PSP)
 
 elseif(PS2)
   sdl_compile_definitions(PRIVATE "PS2" "__PS2__")
-  sdl_include_directories(PRIVATE SYSTEM "$ENV{PS2SDK}/ports/include" "$ENV{PS2DEV}/gsKit/include")
-  target_include_directories(SDL_uclibc PRIVATE "$ENV{PS2SDK}/ports/include" "$ENV{PS2DEV}/gsKit/include")
 
   sdl_glob_sources("${SDL3_SOURCE_DIR}/src/main/ps2/*.c")