GH-474: Get rid of revision property in POM

Fixes: https://github.com/spring-projects/spring-retry/issues/474

pom.xml

@@ -5,7 +5,7 @@
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.springframework.retry</groupId>
 	<artifactId>spring-retry</artifactId>
-	<version>${revision}</version>
+	<version>2.0.11-SNAPSHOT</version>
 	<name>Spring Retry</name>
 	<description><![CDATA[
 		Spring Retry provides an abstraction around retrying failed operations, with an
@@ -26,7 +26,6 @@
 		</license>
 	</licenses>
 	<properties>
-		<revision>2.0.11-SNAPSHOT</revision>
 		<disable.checks>false</disable.checks>
 		<java.version>17</java.version>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>