Drop snapshot repository settings

Fixes gh-221

Author: kazuki43zoo

pom.xml

@@ -147,48 +147,4 @@
       </dependency>
   </dependencies>
 
-  <repositories>
-    <repository>
-      <id>spring-snapshots</id>
-      <name>Spring Snapshots</name>
-      <url>https://repo.spring.io/snapshot</url>
-      <snapshots>
-        <enabled>true</enabled>
-      </snapshots>
-    </repository>
-    <repository>
-      <id>spring-milestones</id>
-      <name>Spring Milestones</name>
-      <url>https://repo.spring.io/milestone</url>
-      <snapshots>
-        <enabled>false</enabled>
-      </snapshots>
-    </repository>
-    <repository>
-      <id>sonatype-oss-snapshots</id>
-      <name>Sonatype OSS Snapshots Repository</name>
-      <url>https://oss.sonatype.org/content/repositories/snapshots</url>
-      <snapshots>
-        <enabled>true</enabled>
-      </snapshots>
-    </repository>
-  </repositories>
-  <pluginRepositories>
-    <pluginRepository>
-      <id>spring-snapshots</id>
-      <name>Spring Snapshots</name>
-      <url>https://repo.spring.io/snapshot</url>
-      <snapshots>
-        <enabled>true</enabled>
-      </snapshots>
-    </pluginRepository>
-    <pluginRepository>
-      <id>spring-milestones</id>
-      <name>Spring Milestones</name>
-      <url>https://repo.spring.io/milestone</url>
-      <snapshots>
-        <enabled>false</enabled>
-      </snapshots>
-    </pluginRepository>
-  </pluginRepositories>
 </project>