lxd: Bump to pre-LXD 5.21.3

Signed-off-by: Thomas Parrott <[email protected]>

snapcraft.yaml

@@ -1488,7 +1488,7 @@ parts:
     source: https://github.com/canonical/lxd
     # XXX: We often cherry-pick for candidate builds so don't do shallow clone
     #source-depth: 1
-    source-commit: 7d4a9933f4618cfe6ec8d18e2e8f91816e5ddbba # LXD 5.21.2
+    source-commit: b4e4bd924798cc6ee1b9744873329cfe9790e5ed # Pre-LXD 5.21.3
     source-type: git
     after:
       - lxc
@@ -1545,19 +1545,6 @@ parts:
       git config user.email "[email protected]"
       git config user.name "LXD snap builder"
 
-      git cherry-pick -x eee1a0408d503b518523554969e5657ae2bd6e1f # lxd/instance/drivers/driver/common: Fix crash when device doesn't return run config when being live updated
-      git cherry-pick -x 79b83bba26795d98e1cf37eb53242962e1d849a0 # lxd/apparmor/feature_check: add infastructure to check AppArmor features
-      git cherry-pick -x bd2e4ed14e580eaea7d34fb72063ea1efdf04d84 # lxd/apparmor/instance_lxc: allow nosymfollow mount flag
-      git cherry-pick -x 83d0d7bf4d952c76a7beb1ddad00d824c04d10ee # lxd/apparmor/instance_lxc: allow nosymfollow mount flag in more cases
-      git cherry-pick -x d3f044ba23e9ef633e7c99e8c2468678a6a58e5a # lxd/storage/backend/lxd: Pass full snapshot name when validating import in CreateInstanceFromBackup
-      git cherry-pick -x c0cfe64000c4b7c658347cf4b2833594ae0e6fc3 # lxd/instance/instance/utils: Don't allow snapshots named ".." in ValidName
-      git cherry-pick -x 8415f4ada4800e547c7c8764f28d83e7b6cab6a0 # lxd/instance: if storage location is remote, make cluster self healing available, and vm can migrate when src member is offline also
-      git cherry-pick -x c94652490e8bf302ff63e199ce9bbacc11a50a29 # lxd/apparmor/instance_lxc: allow procfs for unprivileged containers
-      git cherry-pick -x 9365358d847fac1ce83329801f5b78374bb6726f # lxd/apparmor/instance_lxc: allow sysfs for unprivileged containers
-      git cherry-pick -x c802b03b89a03a4bb697621993740fc2312b85d8 # lxd/storage/drivers/powerflex: Use the Net* response variables for pool stats
-      git cherry-pick -x e796ed874b32493347de3d179565781798eea16f # lxd: Refresh the state on cluster put/join
-
-
       # Setup build environment
       export GOPATH="$(realpath ./.go)"
       export CGO_CFLAGS="-I${CRAFT_STAGE}/include/ -I${CRAFT_STAGE}/usr/local/include/"