remove unwanted header files

Author: siv2r

src/modules/batch/main_impl.h

@@ -2,8 +2,6 @@
 #define SECP256K1_MODULE_BATCH_MAIN_H
 
 #include "include/secp256k1_batch.h"
-#include "src/hash.h"
-#include "src/scratch.h"
 
 /* Maximum number of scalar-point pairs on the batch
  * for which `secp256k1_batch_verify` remains efficient */

src/modules/extrakeys/batch_add_impl.h

@@ -3,7 +3,6 @@
 
 #include "include/secp256k1_extrakeys.h"
 #include "include/secp256k1_tweak_check_batch.h"
-#include "src/hash.h"
 #include "src/modules/batch/main_impl.h"
 
 /* The number of scalar-point pairs allocated on the scratch space

src/modules/schnorrsig/batch_add_impl.h

@@ -3,7 +3,6 @@
 
 #include "include/secp256k1_schnorrsig.h"
 #include "include/secp256k1_schnorrsig_batch.h"
-#include "src/hash.h"
 #include "src/modules/batch/main_impl.h"
 
 /* The number of scalar-point pairs allocated on the scratch space