fixup! ecmult_gen: Move table generation to new file and force static prec

Author: real-or-random

src/ecmult_gen_build_table_impl.h

@@ -9,7 +9,8 @@
 
 #include "ecmult_gen_build_table.h"
 #include "ecmult_gen.h"
-#include "group.h"
+#include "group_impl.h"
+#include "field_impl.h"
 #include "util.h"
 
 static void secp256k1_ecmult_gen_build_prec_table(secp256k1_ge_storage* table, const secp256k1_ge* gen, int bits) {

src/gen_ecmult_gen_static_prec_table.c

@@ -22,9 +22,6 @@
 #include "../include/secp256k1.h"
 #include "assumptions.h"
 #include "util.h"
-#include "field_impl.h"
-#include "scalar_impl.h"
-#include "group_impl.h"
 #include "ecmult_gen.h"
 #include "ecmult_gen_build_table_impl.h"