cleanup: remove unneeded includes in header files.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

plugins/spender/fundchannel.c

@@ -2,6 +2,7 @@
 #include <ccan/compiler/compiler.h>
 #include <common/json.h>
 #include <common/json_stream.h>
+#include <common/json_tok.h>
 #include <plugins/spender/fundchannel.h>
 
 static struct command_result *

plugins/spender/multifundchannel.c

@@ -9,6 +9,7 @@
 #include <ccan/crypto/sha256/sha256.h>
 #include <ccan/json_out/json_out.h>
 #include <ccan/str/str.h>
+#include <ccan/tal/str/str.h>
 #include <ccan/take/take.h>
 #include <common/addr.h>
 #include <common/amount.h>

plugins/spender/multiwithdraw.c

@@ -4,6 +4,7 @@
 #include <ccan/array_size/array_size.h>
 #include <ccan/json_out/json_out.h>
 #include <ccan/take/take.h>
+#include <ccan/tal/str/str.h>
 #include <common/amount.h>
 #include <common/json.h>
 #include <common/json_helpers.h>
@@ -14,6 +15,7 @@
 #include <plugins/spender/multiwithdraw.h>
 #include <stdarg.h>
 #include <stdlib.h>
+#include <wally_psbt.h>
 
 /*-----------------------------------------------------------------------------
 Command Access

plugins/spender/openchannel.c

@@ -6,6 +6,7 @@
 #include <ccan/ccan/mem/mem.h>
 #include <ccan/ccan/tal/str/str.h>
 #include <common/json_stream.h>
+#include <common/lease_rates.h>
 #include <common/psbt_open.h>
 #include <common/type_to_string.h>
 #include <common/utils.h>