Polish release profile

This commit removes the release-specific bits from the build
configuration as both deployment and staging are performed on CI.

.mvn/maven.config

@@ -1 +0,0 @@
--DaltSnapshotDeploymentRepository=repo.spring.io::default::https://repo.spring.io/libs-snapshot-local -P spring

.mvn/settings.xml

@@ -1,24 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<settings>
-   <profiles>
-	   <profile>
-		   <id>release</id>
-		   <activation><activeByDefault>true</activeByDefault></activation>
-		   <properties>
-			   <gpg.passphrase>${env.passphrase}</gpg.passphrase>
-		   </properties>
-	   </profile>
-   </profiles>
-   <servers>
-    <server>
-      <id>sonatype-nexus-staging</id>
-      <username>${env.sonatype_username}</username>
-      <password>${env.sonatype_password}</password>
-    </server>
-	<server>
-	  <id>repo.spring.io</id>
-	  <username>${env.spring_username}</username>
-	  <password>${env.spring_password}</password>
-	</server>
-  </servers>
-</settings>

pom.xml

@@ -120,65 +120,6 @@
 				</dependency>
 			</dependencies>
 		</profile>
-		<profile>
-			<id>staging</id>
-			<distributionManagement>
-				<site>
-					<id>spring-site-staging</id>
-					<url>file:///${java.io.tmpdir}/spring-retry/docs</url>
-				</site>
-				<repository>
-					<id>spring-milestone-staging</id>
-					<url>file:///${java.io.tmpdir}/spring-retry/milestone</url>
-				</repository>
-				<snapshotRepository>
-					<id>spring-snapshot-staging</id>
-					<url>file:///${java.io.tmpdir}/spring-retry/snapshot</url>
-				</snapshotRepository>
-			</distributionManagement>
-		</profile>
-		<profile>
-			<id>milestone</id>
-			<distributionManagement>
-				<repository>
-					<id>repo.spring.io</id>
-					<name>Spring Milestone Repository</name>
-					<url>https://repo.spring.io/libs-milestone-local</url>
-				</repository>
-			</distributionManagement>
-		</profile>
-		<profile>
-			<id>central</id>
-			<distributionManagement>
-				<snapshotRepository>
-					<id>sonatype-nexus-snapshots</id>
-					<name>Sonatype Nexus Snapshots</name>
-					<url>https://oss.sonatype.org/content/repositories/snapshots/</url>
-				</snapshotRepository>
-				<repository>
-					<id>sonatype-nexus-staging</id>
-					<name>Nexus Release Repository</name>
-					<url>https://oss.sonatype.org/service/local/staging/deploy/maven2/</url>
-				</repository>
-			</distributionManagement>
-			<build>
-				<plugins>
-					<plugin>
-						<groupId>org.apache.maven.plugins</groupId>
-						<artifactId>maven-gpg-plugin</artifactId>
-						<executions>
-							<execution>
-								<id>sign-artifacts</id>
-								<phase>verify</phase>
-								<goals>
-									<goal>sign</goal>
-								</goals>
-							</execution>
-						</executions>
-					</plugin>
-				</plugins>
-			</build>
-		</profile>
 	</profiles>
 
 	<scm>
@@ -196,27 +137,6 @@
 		</developer>
 	</developers>
 
-	<distributionManagement>
-		<!-- see 'staging' profile for dry-run deployment settings -->
-		<downloadUrl>https://www.springsource.com/download/community
-		</downloadUrl>
-		<site>
-			<id>spring-docs</id>
-			<url>scp://static.springframework.org/var/www/domains/springframework.org/static/htdocs/spring-retry/docs/${project.version}
-			</url>
-		</site>
-		<repository>
-			<id>repo.spring.io</id>
-			<name>Spring Release Repository</name>
-			<url>https://repo.spring.io/libs-release-local</url>
-		</repository>
-		<snapshotRepository>
-			<id>repo.spring.io</id>
-			<name>Spring Snapshot Repository</name>
-			<url>https://repo.spring.io/libs-snapshot-local</url>
-		</snapshotRepository>
-	</distributionManagement>
-
 	<dependencyManagement>
 		<dependencies>
 			<dependency>