package/libwpe: bump version to 1.15.1

Removed md5 hash.

Release notes:
1.14.1
- https://lists.webkit.org/pipermail/webkit-wpe/2023-February/000574.html
1.15.1
- https://lists.webkit.org/pipermail/webkit-wpe/2023-May/000595.html

Signed-off-by: Bernd Kuhls <bernd@kuhls.net>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/libwpe/libwpe.hash

@@ -1,7 +1,6 @@
-# From https://wpewebkit.org/releases/libwpe-1.14.0.tar.xz.sums
-md5  f9737912975f979f9e4e01eec174a271  libwpe-1.14.0.tar.xz
-sha1  7a5d51c99254fc14ffcbcca9e8550cc7940fe871  libwpe-1.14.0.tar.xz
-sha256  c073305bbac5f4402cc1c8a4753bfa3d63a408901f86182051eaa5a75dd89c00  libwpe-1.14.0.tar.xz
+# From https://wpewebkit.org/releases/libwpe-1.15.1.tar.xz.sums
+sha1  0082ceb475175bfecd1172f2c0b292824d31561b  libwpe-1.15.1.tar.xz
+sha256  14d36a93a05ab7ada9bec581720b8057336fe681bbbe59bda7d50cb8f3eba3a6  libwpe-1.15.1.tar.xz
 
 # Hashes for license files:
 sha256  35bef295cedbbf179eaee14328002587a0e7dc08ebf3f15ea080a6f2815f0d7b  COPYING

package/libwpe/libwpe.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-LIBWPE_VERSION = 1.14.0
+LIBWPE_VERSION = 1.15.1
 LIBWPE_SITE = https://wpewebkit.org/releases
 LIBWPE_SOURCE = libwpe-$(LIBWPE_VERSION).tar.xz
 LIBWPE_INSTALL_STAGING = YES