tools/tests: Privatize remove_fake_partitions

Finding by cppcheck 2.17.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>

Author: jan-kiszka

tools/tests/fake_devices.c

@@ -72,7 +72,7 @@ void add_fake_partition(int devnum)
 	exit(1);
 }
 
-void remove_fake_partitions(int n)
+static void remove_fake_partitions(int n)
 {
 	PedPartition *pp = fake_devices[n].part_list;
 	PedPartition *next;

tools/tests/fake_devices.h

@@ -21,7 +21,6 @@ extern int num_fake_devices;
 
 void allocate_fake_devices(int n);
 void add_fake_partition(int devnum);
-void remove_fake_partitions(int n);
 void free_fake_devices(void);
 
 PedDevice *ped_device_get_next_custom_fake(const PedDevice *dev);