Revert "build.sh: freeze edk2 to fix PXE 4K UEFI tests"

This reverts commit f056c0e.

The package has been fixed and update so we are able to
revert this to start to use the latest version.

Closes: #3815
Bug: https://bugzilla.redhat.com/show_bug.cgi?id=2290441

build.sh

@@ -43,13 +43,6 @@ install_rpms() {
 
     frozendeps=""
 
-    # freeze edk2 for https://github.com/coreos/coreos-assembler/issues/3815
-    case "${arch}" in
-      x86_64|aarch64) frozendeps=$(echo edk2-{ovmf,aarch64}-20240214-7.fc40);;
-      *) ;;
-    esac
-
-
     # First, a general update; this is best practice.  We also hit an issue recently
     # where qemu implicitly depended on an updated libusbx but didn't have a versioned
     # requires https://bugzilla.redhat.com/show_bug.cgi?id=1625641