release: remove extra signing step

It resulted in having double signed artifacts:
scylla-driver-core-3.11.5.7-javadoc.jar.asc.asc

Which resulted in publishing failure.

Author: dkropachev

driver-dist/pom.xml

@@ -94,7 +94,6 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-gpg-plugin</artifactId>
-                <version>1.5</version>
                 <configuration>
                     <skip>true</skip>
                 </configuration>

pom.xml

@@ -818,27 +818,6 @@
                     </executions>
                 </plugin>
 
-                <plugin>
-                    <groupId>org.apache.maven.plugins</groupId>
-                    <artifactId>maven-gpg-plugin</artifactId>
-                    <version>1.5</version>
-                    <executions>
-                        <execution>
-                            <id>sign-artifacts</id>
-                            <phase>verify</phase>
-                            <goals>
-                                <goal>sign</goal>
-                            </goals>
-                            <configuration>
-                                <gpgArguments>
-                                    <arg>--pinentry-mode</arg>
-                                    <arg>loopback</arg>
-                                </gpgArguments>
-                            </configuration>
-                        </execution>
-                    </executions>
-                </plugin>
-
                 <plugin>
                     <groupId>org.ops4j</groupId>
                     <artifactId>maven-pax-plugin</artifactId>
@@ -903,39 +882,17 @@
                     <waitUntil>validated</waitUntil>
                 </configuration>
             </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-gpg-plugin</artifactId>
+                <version>3.2.8</version>
+            </plugin>
         </plugins>
 
     </build>
 
     <profiles>
 
-        <profile>
-            <id>release-sign-artifacts</id>
-            <activation>
-                <property>
-                    <name>performRelease</name>
-                    <value>true</value>
-                </property>
-            </activation>
-            <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>
-
         <profile>
             <id>short</id>
             <properties>