embedded doesn't need xsSnapshot

Author: mkellner

build/devices/zephyr/config/CMakeLists.txt.prefix

@@ -54,7 +54,6 @@ list(APPEND mOBJECTS $ENV{MODDABLE}/xs/sources/xsRegExp.c)
 list(APPEND mOBJECTS $ENV{MODDABLE}/xs/sources/xsRun.c)
 list(APPEND mOBJECTS $ENV{MODDABLE}/xs/sources/xsScope.c)
 list(APPEND mOBJECTS $ENV{MODDABLE}/xs/sources/xsScript.c)
-list(APPEND mOBJECTS $ENV{MODDABLE}/xs/sources/xsSnapshot.c)
 list(APPEND mOBJECTS $ENV{MODDABLE}/xs/sources/xsSourceMap.c)
 list(APPEND mOBJECTS $ENV{MODDABLE}/xs/sources/xsString.c)
 list(APPEND mOBJECTS $ENV{MODDABLE}/xs/sources/xsSymbol.c)