Drop back to Aluminium-SR1 as current snapshots are beyond repair

This reverts 78824b02f3

See gh-8589

spring-boot-dependencies/pom.xml

@@ -142,8 +142,7 @@
 		<netty.version>4.1.9.Final</netty.version>
 		<postgresql.version>9.4.1212.jre7</postgresql.version>
 		<querydsl.version>4.1.4</querydsl.version>
-		<reactor-bom.version>Aluminium-BUILD-SNAPSHOT</reactor-bom.version>
+		<reactor-bom.version>Aluminium-SR1</reactor-bom.version>
-		<reactor-netty.version>0.6.3.BUILD-SNAPSHOT</reactor-netty.version>
 		<rxjava.version>1.2.9</rxjava.version>
 		<rxjava-adapter.version>1.2.1</rxjava-adapter.version>
 		<rxjava2.version>2.0.7</rxjava2.version>
@@ -903,11 +902,6 @@
 				<artifactId>netty-resolver-dns</artifactId>
 				<version>${netty.version}</version>
 			</dependency>
-			<dependency>
-				<groupId>io.projectreactor.ipc</groupId>
-				<artifactId>reactor-netty</artifactId>
-				<version>${reactor-netty.version}</version>
-			</dependency>
 			<dependency>
 				<groupId>io.projectreactor</groupId>
 				<artifactId>reactor-bom</artifactId>