fix: broken release pipeline

Signed-off-by: Hector Fernandez <hector@chainguard.dev>

Author: hectorj2f

.gitignore

@@ -27,7 +27,6 @@
 bin*
 dist/
 policyControllerImagerefs
-policyImagerefs
 
 **verify-experimental*
 

release/ko-sign-release-images.sh

@@ -26,11 +26,5 @@ if [[ ! -f policyControllerImagerefs ]]; then
     exit 1
 fi
 
-if [[ ! -f policyImagerefs ]]; then
-    echo "policyImagerefs not found"
-    exit 1
-fi
-
 echo "Signing images with Keyless..."
 cosign sign --yes -a GIT_HASH="$GIT_HASH" -a GIT_VERSION="$GIT_VERSION" $(cat policyControllerImagerefs)
-cosign sign --yes -a GIT_HASH="$GIT_HASH" -a GIT_VERSION="$GIT_VERSION" $(cat policyImagerefs)