Replace deployment.gpg properties with gpg.

Properties cleanup to not have duplicate properties.

Closes #180

release-tools/application-local.template

@@ -28,9 +28,9 @@ jira.password=
 jira.url=https://jira.spring.io
 
 # GPG
-deployment.gpg.keyname=
-deployment.gpg.password=
-# deployment.gpg.executable=/usr/local/bin/gpg2
+gpg.keyname=
+gpg.password=
+gpg.executable=/usr/local/bin/gpg2
 
 # A GitHub token with user:email, read:user and read:org scopes.
 # User needs to be part of the Spring team on GitHub as well.

release-tools/src/main/java/org/springframework/data/release/build/MavenBuildSystem.java

@@ -355,8 +355,6 @@ class MavenBuildSystem implements BuildSystem {
 
 		logger.log(module, "Deploying artifacts to Sonatype OSS Nexus…");
 
-		Gpg gpg = this.gpg.isGpgAvailable() ? this.gpg : properties.getGpg();
-
 		CommandLine arguments = CommandLine.of(Goal.CLEAN, Goal.DEPLOY, //
 				profile("ci,release,central"), //
 				SKIP_TESTS, //

release-tools/src/main/java/org/springframework/data/release/deployment/DeploymentProperties.java

@@ -20,7 +20,6 @@ import lombok.Data;
 import java.net.URI;
 
 import org.springframework.boot.context.properties.ConfigurationProperties;
-import org.springframework.boot.context.properties.DeprecatedConfigurationProperty;
 import org.springframework.data.release.model.Gpg;
 import org.springframework.data.release.model.Password;
 import org.springframework.data.release.utils.HttpBasicCredentials;
@@ -66,8 +65,6 @@ public class DeploymentProperties {
 
 	private String repositoryPrefix = "";
 
-	private Gpg gpg;
-
 	public String getStagingRepository() {
 		return repositoryPrefix.concat(stagingRepository);
 	}
@@ -76,11 +73,6 @@ public class DeploymentProperties {
 		return repositoryPrefix.concat(distributionRepository);
 	}
 
-	@DeprecatedConfigurationProperty(reason = "Moved to gpg.", replacement = "gpg")
-	public Gpg getGpg() {
-		return gpg;
-	}
-
 	/**
 	 * Returns the URI of the staging repository.
 	 *

release-tools/src/main/java/org/springframework/data/release/model/Gpg.java

@@ -29,7 +29,9 @@ import org.springframework.util.StringUtils;
 @Component
 @ConfigurationProperties(prefix = "gpg")
 public class Gpg {
+
 	private String keyname, executable;
+
 	private Password password;
 
 	public boolean isGpgAvailable() {