cross/*: add empty maintainer= variables

non-"aportgen"erated packages in cross/

[ci:skip-vercheck]: same behaviour

Part-of: <https://gitlab.postmarketos.org/postmarketOS/pmaports/-/merge_requests/7765>

cross/arch-bin-masquerade/APKBUILD

@@ -4,7 +4,7 @@
 # armhf chroot to /usr/bin/gcc. That way compilation works fine, even
 # when distcc gets the absolute path to the compiler passed (ccache does
 # that).
-
+maintainer=""
 pkgname=arch-bin-masquerade
 pkgver=2
 pkgrel=0

cross/ccache-cross-symlinks/APKBUILD

@@ -2,7 +2,7 @@
 # compiling packages in the native chroot (e.g. kernel packages), the
 # cross-compiler does not get called directly, but wrapped through
 # ccache, which can then cache the results.
-
+maintainer=""
 pkgname=ccache-cross-symlinks
 pkgver=3
 pkgrel=3

cross/crossdirect/APKBUILD

@@ -17,7 +17,6 @@
 # chroot. See crossdirect.c for implementation details of the C version (llvm,
 # fakeroot, rpath). The rust version and redirect for archivers are implemented
 # as simple shell wrappers.
-
 maintainer="Oliver Smith <ollieparanoid@postmarketos.org>"
 pkgname=crossdirect
 pkgver=5.3.1

cross/grub-x86/APKBUILD

@@ -1,3 +1,4 @@
+maintainer=""
 pkgname=grub-x86
 pkgver=1
 pkgrel=2

cross/systemd-boot-x86/APKBUILD

@@ -1,5 +1,5 @@
 # Forked from Alpine to cross compile for x86_64 systems that have x86 EFI
-
+maintainer=""
 pkgname=systemd-boot-x86
 _pkgname=systemd-boot  # for monitoring
 pkgver=259