Remove declaration of "plexus-snapshots" repository (#1010)

Author: desruisseaux

pom.xml

@@ -198,19 +198,6 @@ under the License.
     </dependency>
   </dependencies>
 
-  <repositories>
-    <repository>
-      <releases>
-        <enabled>false</enabled>
-      </releases>
-      <snapshots>
-        <enabled>true</enabled>
-      </snapshots>
-      <id>plexus.snapshots</id>
-      <url>https://oss.sonatype.org/content/repositories/plexus-snapshots</url>
-    </repository>
-  </repositories>
-
   <build>
     <pluginManagement>
       <plugins>

src/it/settings.xml

@@ -37,17 +37,6 @@ under the License.
             <enabled>true</enabled>
           </snapshots>
         </repository>
-        <repository>
-          <releases>
-            <enabled>false</enabled>
-          </releases>
-          <snapshots>
-            <enabled>true</enabled>
-          </snapshots>
-          <id>plexus-snapshots</id>
-          <name>Plexus Snapshot Repository</name>
-          <url>https://oss.sonatype.org/content/repositories/plexus-snapshots</url>
-        </repository>
       </repositories>
       <pluginRepositories>
         <pluginRepository>