Merge lcache into context (#2498)

It is superfluous to maintain multiple globals when the whole
reason of context is to keep them in a single place. It also
simplifies initialization and external context creation a bit.

Also removed unused lcache header includes.

JerryScript-DCO-1.0-Signed-off-by: Akos Kiss akiss@inf.u-szeged.hu

jerry-core/ecma/operations/ecma-objects.c

@@ -20,7 +20,6 @@
 #include "ecma-gc.h"
 #include "ecma-globals.h"
 #include "ecma-function-object.h"
-#include "ecma-lcache.h"
 #include "ecma-lex-env.h"
 #include "ecma-string-object.h"
 #include "ecma-objects-arguments.h"