JCLOUDS-1271: Deprecate signRemoveBlob

URL signing should always use authentication parameters instead of
headers yet no provider supports DELETEs with the former.

apis/atmos/src/main/java/org/jclouds/atmos/blobstore/AtmosBlobRequestSigner.java

@@ -85,6 +85,7 @@ public class AtmosBlobRequestSigner implements BlobRequestSigner {
       throw new UnsupportedOperationException();
    }
 
+   @Deprecated
    @Override
    public HttpRequest signRemoveBlob(String container, String name) {
       checkNotNull(container, "container");

apis/openstack-swift/src/main/java/org/jclouds/openstack/swift/v1/blobstore/RegionScopedTemporaryUrlBlobSigner.java

@@ -88,6 +88,7 @@ public class RegionScopedTemporaryUrlBlobSigner implements BlobRequestSigner {
       return sign("PUT", container, blob.getMetadata().getName(), GetOptions.NONE, timestamp.get() + timeInSeconds);
    }
 
+   @Deprecated
    @Override
    public HttpRequest signRemoveBlob(String container, String name) {
       return sign("DELETE", container, name, GetOptions.NONE, timestamp.get() + YEAR);

apis/s3/src/main/java/org/jclouds/s3/blobstore/S3BlobRequestSigner.java

@@ -95,6 +95,7 @@ public class S3BlobRequestSigner<T extends S3Client> implements BlobRequestSigne
       return cleanRequest(authSigner.signForTemporaryAccess(request, timeInSeconds));
    }
 
+   @Deprecated
    @Override
    public HttpRequest signRemoveBlob(String container, String name) {
       checkNotNull(container, "container");

blobstore/src/main/java/org/jclouds/blobstore/BlobRequestSigner.java

@@ -71,6 +71,7 @@ public interface BlobRequestSigner {
     * @throws UnsupportedOperationException
     *            if not supported by the provider
     */
+   @Deprecated
    HttpRequest signRemoveBlob(String container, String name);
 
    /**

blobstore/src/main/java/org/jclouds/blobstore/LocalBlobRequestSigner.java

@@ -75,6 +75,7 @@ public class LocalBlobRequestSigner implements BlobRequestSigner {
       throw new UnsupportedOperationException();
    }
 
+   @Deprecated
    @Override
    public HttpRequest signRemoveBlob(String container, String name) {
       HttpRequest request = HttpRequest.builder().method("DELETE").endpoint(String.format("%s/%s/%s", endpoint.get(), container,

blobstore/src/main/java/org/jclouds/blobstore/internal/RequestSigningUnsupported.java

@@ -41,6 +41,7 @@ public class RequestSigningUnsupported implements BlobRequestSigner {
       throw new UnsupportedOperationException();
    }
 
+   @Deprecated
    @Override
    public HttpRequest signRemoveBlob(String container, String name) {
       throw new UnsupportedOperationException();

providers/azureblob/src/main/java/org/jclouds/azureblob/blobstore/AzureBlobRequestSigner.java

@@ -83,6 +83,7 @@ public class AzureBlobRequestSigner implements BlobRequestSigner {
       throw new UnsupportedOperationException();
    }
 
+   @Deprecated
    @Override
    public HttpRequest signRemoveBlob(String container, String name) {
       checkNotNull(container, "container");