SDL: Remove redundant sizeof "size_t" check

SDL Commits
1 
From c90e1ec3ef1bcf53df4343f3f953560410dc6b1f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Yao=20Wei=20Tjong=20=E5=A7=9A=E4=BC=9F=E5=BF=A0?=
 <weitjong@gmail.com>
Date: Sun, 15 Aug 2021 21:51:31 +0800
Subject: [PATCH] Remove redundant sizeof "size_t" check

The result variables: HAVE_${VARIABLE}, ${VARIABLE}, ${VARIABLE}_CODE,
etc. do not seem to be referenced anywhere in the CMake build script.
---
 CMakeLists.txt | 2 --
 1 file changed, 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index ddbc7e41df0..e65c3bb60a4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -47,7 +47,6 @@ include(CheckCSourceCompiles)
 include(CheckCSourceRuns)
 include(CheckCCompilerFlag)
 include(CheckCXXCompilerFlag)
-include(CheckTypeSize)
 include(CheckStructHasMember)
 include(CMakeDependentOption)
 include(FindPkgConfig)
@@ -910,7 +909,6 @@ if(SDL_LIBC)
 
     set(STDC_HEADER_NAMES "stddef.h;stdarg.h;stdlib.h;string.h;stdio.h;wchar.h;float.h")
     check_include_files("${STDC_HEADER_NAMES}" STDC_HEADERS)
-    check_type_size("size_t" SIZEOF_SIZE_T)
     check_symbol_exists(M_PI math.h HAVE_M_PI)
     # TODO: refine the mprotect check
     check_c_source_compiles("#include <sys/types.h>