Modify core/shared/platform/linux-sgx/shared_platform.cmake to remove unnecessary PLATFORM_COMMON_MEMORY_SOURCE

Author: ikehara

core/shared/platform/linux-sgx/shared_platform.cmake

@@ -37,8 +37,6 @@ else()
   set(source_all ${source_all} ${PLATFORM_COMMON_LIBC_UTIL_SOURCE})
 endif()
 
-set (source_all ${source_all} ${PLATFORM_COMMON_MEMORY_SOURCE})
-
 file (GLOB source_all_untrusted ${PLATFORM_SHARED_DIR}/untrusted/*.c)
 
 set (PLATFORM_SHARED_SOURCE ${source_all})