* language.h (struct language_defn): Remove la_builtin_type_vector

	* language.h (struct language_defn): Remove la_builtin_type_vector
	and string_char_type members.
	* language.c (language_string_char_type): No longer consult
	la->string_char_type.
	(language_lookup_primitive_type_by_name): No longer consult
	current_language->la_builtin_type_vector.

	* language.c (unknown_language_defn, auto_language_defn,
	local_language_defn): Adapt initializer.
	* ada-lang.c (ada_language_defn): Likewise.
	* c-lang.c (c_language_defn, cplus_language_defn, asm_language_defn,
	minimal_language_defn): Likewise.
	* f-lang.c (f_language_defn): Likewise.
	* jv-lang.c (java_language_defn): Likewise.
	* m2-lang.c (m2_language_defn): Likewise.
	* objc-lang.c (objc_language_defn): Likewise.
	* p-lang.c (pascal_language_defn): Likewise.
	* scm-lang.c (scm_language_defn): Likewise.