Switch to webp-pixbuf-loader package

.gitmodules

@@ -10,3 +10,6 @@
 [submodule "dolphin-emu"]
 	path = dolphin-emu
 	url = sol:dolphin-emu
+[submodule "webp-pixbuf-loader"]
+	path = webp-pixbuf-loader
+	url = sol:webp-pixbuf-loader

webp-pixbuf-loader

@@ -0,0 +1 @@
+Subproject commit 215f48ca74cbaa512af5179629d384073196740d

webp-pixbuf-loader/Makefile

@@ -1 +0,0 @@
-include ../Makefile.common

webp-pixbuf-loader/package.yml

@@ -1,19 +0,0 @@
-name       : webp-pixbuf-loader
-version    : 0.0.6
-release    : 1
-source     :
-    - https://github.com/aruiz/webp-pixbuf-loader/archive/refs/tags/0.0.6.tar.gz : 451cb6924a9aa6afaa21d5b63b402dcfcfe952a1873e078b17078c4a1964a693
-license    : LGPL-2.0-or-later
-component  : multimedia.codecs
-summary    : WebP GDK Pixbuf Loader library
-description: |
-    WebP Image format GdkPixbuf loader
-builddeps  :
-    - pkgconfig(gdk-pixbuf-2.0)
-    - pkgconfig(libwebp)
-setup      : |
-    %meson_configure
-build      : |
-    %ninja_build
-install    : |
-    %ninja_install