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/base/ecma-init-finalize.c

@@ -17,7 +17,6 @@
 #include "ecma-gc.h"
 #include "ecma-helpers.h"
 #include "ecma-init-finalize.h"
-#include "ecma-lcache.h"
 #include "ecma-lex-env.h"
 #include "ecma-literal-storage.h"
 #include "jmem.h"
@@ -36,7 +35,6 @@
 void
 ecma_init (void)
 {
-  ecma_lcache_init ();
   ecma_init_global_lex_env ();
 
   jmem_register_free_unused_memory_callback (ecma_free_unused_memory);