whitespace: Remove extraneous lines.

src/ck_array.c

@@ -238,4 +238,3 @@ ck_array_deinit(struct ck_array *array, bool defer)
 	array->transaction = array->active = NULL;
 	return;
 }
-

src/ck_barrier_centralized.c

@@ -57,4 +57,3 @@ ck_barrier_centralized(struct ck_barrier_centralized *barrier,
 	ck_pr_fence_memory();
 	return;
 }
-

src/ck_barrier_combining.c

@@ -205,4 +205,3 @@ ck_barrier_combining(struct ck_barrier_combining *barrier,
 	state->sense = ~state->sense;
 	return;
 }
-

src/ck_barrier_dissemination.c

@@ -121,4 +121,3 @@ ck_barrier_dissemination(struct ck_barrier_dissemination *barrier,
 	state->parity = 1 - state->parity;
 	return;
 }
-

src/ck_barrier_mcs.c

@@ -138,4 +138,3 @@ ck_barrier_mcs(struct ck_barrier_mcs *barrier,
 	state->sense = ~state->sense;
 	return;
 }
-

src/ck_barrier_tournament.c

@@ -181,4 +181,3 @@ leave:
 	state->sense = ~state->sense;
 	return;
 }
-

src/ck_epoch.c

@@ -426,4 +426,3 @@ ck_epoch_poll(struct ck_epoch *global, struct ck_epoch_record *record)
 	ck_epoch_dispatch(record, epoch + 1);
 	return true;
 }
-

src/ck_hp.c

@@ -321,4 +321,3 @@ ck_hp_purge(struct ck_hp_record *thread)
 
 	return;
 }
-

src/ck_ht.c

@@ -1027,4 +1027,3 @@ ck_ht_destroy(struct ck_ht *table)
 }
 
 #endif /* CK_F_HT */
-

src/ck_rhs.c

@@ -1332,4 +1332,3 @@ ck_rhs_init(struct ck_rhs *hs,
 	hs->map = ck_rhs_map_create(hs, n_entries);
 	return hs->map != NULL;
 }
-