gdb: cleanup includes in *-typeprint.[ch]

Remove includes reported as unused by clangd.

Include "gdb-hashtab.h" in typeprint.h for the use of "htab_up".

Change-Id: I5b04ec14e71800e2d6ad622838e39b7033e168cf

gdb/ada-typeprint.c

@@ -16,14 +16,12 @@
    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
-#include "bfd.h"
 #include "event-top.h"
 #include "gdbtypes.h"
 #include "value.h"
 #include "c-lang.h"
 #include "cli/cli-style.h"
 #include "typeprint.h"
-#include "target-float.h"
 #include "ada-lang.h"
 #include <ctype.h>
 

gdb/c-typeprint.c

@@ -17,7 +17,6 @@
    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include "event-top.h"
-#include "gdbsupport/gdb_obstack.h"
 #include "bfd.h"
 #include "symtab.h"
 #include "gdbtypes.h"

gdb/f-typeprint.c

@@ -21,8 +21,6 @@
    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include "event-top.h"
-#include "gdbsupport/gdb_obstack.h"
-#include "bfd.h"
 #include "symtab.h"
 #include "gdbtypes.h"
 #include "expression.h"

gdb/m2-typeprint.c

@@ -18,7 +18,6 @@
 
 #include "event-top.h"
 #include "language.h"
-#include "gdbsupport/gdb_obstack.h"
 #include "bfd.h"
 #include "symtab.h"
 #include "gdbtypes.h"
@@ -27,7 +26,6 @@
 #include "gdbcore.h"
 #include "m2-lang.h"
 #include "target.h"
-#include "demangle.h"
 #include "c-lang.h"
 #include "typeprint.h"
 #include "cp-abi.h"

gdb/p-typeprint.c

@@ -19,7 +19,6 @@
 /* This file is derived from p-typeprint.c */
 
 #include "event-top.h"
-#include "gdbsupport/gdb_obstack.h"
 #include "bfd.h"
 #include "symtab.h"
 #include "gdbtypes.h"

gdb/typeprint.h

@@ -19,6 +19,7 @@
 #ifndef TYPEPRINT_H
 #define TYPEPRINT_H
 
+#include "gdbsupport/gdb-hashtab.h"
 #include "gdbsupport/gdb_obstack.h"
 
 enum language;