pidgin: Remove gcc-14 compatibility workaround

Since commit "pidgin: Upgrade to 2.14.13" (which contains a gcc-14
compatibility patch), the workaround is not needed to build on gcc-14.

Signed-off-by: Yoann Congal <yoann.congal@smile.fr>
Suggested-by: Martin Jansa <martin.jansa@gmail.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-oe/recipes-support/pidgin/pidgin_2.14.13.bb

@@ -118,7 +118,3 @@ python populate_packages:prepend () {
         description='Finch plugin %s',
         prepend=True, extra_depends='')
 }
-
-# http://errors.yoctoproject.org/Errors/Details/766946/
-# pidgin-2.14.2/libpurple/protocols/bonjour/parser.c:200:9: error: initialization of 'void (*)(void *, const xmlError *)' {aka 'void (*)(void *, const struct _xmlError *)'} from incompatible pointer type 'void (*)(void *, xmlError *)' {aka 'void (*)(void *, struct _xmlError *)'} [-Wincompatible-pointer-types]
-CFLAGS += "-Wno-error=incompatible-pointer-types"