SONARJAVA-5257 Remove old references to gradle-enterprise (#4968)

Author: leonardo-pilastri-sonarsource

.gitignore

@@ -38,5 +38,4 @@ Thumbs.db
 Desktop.ini
 
 .java-version
-.mvn/.gradle-enterprise/gradle-enterprise-workspace-id
 .mvn/.develocity/

.mvn/extensions.xml

@@ -4,9 +4,4 @@
     <artifactId>develocity-maven-extension</artifactId>
     <version>1.22.2</version>
   </extension>
-  <extension>
-    <groupId>com.gradle</groupId>
-    <artifactId>common-custom-user-data-maven-extension</artifactId>
-    <version>1.12.4</version>
-  </extension>
 </extensions>

pom.xml

@@ -315,7 +315,7 @@
               <addMavenDescriptor>false</addMavenDescriptor>
               <manifestEntries>
                 <!--
-                  Develocity (gradle-enterprise-maven-extension) can reduce the build duration using its cache only for deterministic build.
+                  Develocity can reduce the build duration using its cache only for deterministic build.
                   'Build-Time', defined in the parent pom, changes at each build and prevents us from benefiting from the cache.
                   We didn't find a solution to unset 'Build-Time', so as a workaround, we provide a constant value '_'.
                 -->
@@ -324,30 +324,6 @@
             </archive>
           </configuration>
         </plugin>
-        <plugin>
-          <groupId>com.gradle</groupId>
-          <artifactId>gradle-enterprise-maven-extension</artifactId>
-          <configuration>
-            <gradleEnterprise>
-              <normalization>
-                <runtimeClassPath>
-                  <metaInf>
-                    <ignoredAttributes>
-                      <ignore>Implementation-Version</ignore>
-                      <ignore>Version</ignore>
-                      <ignore>Implementation-Build</ignore>
-                      <ignore>Build-Time</ignore>
-                      <ignore>Plugin-BuildDate</ignore>
-                      <ignore>Plugin-Display-Version</ignore>
-                      <ignore>Plugin-Version</ignore>
-                      <ignore>Plugin-RequirePlugins</ignore>
-                    </ignoredAttributes>
-                  </metaInf>
-                </runtimeClassPath>
-              </normalization>
-            </gradleEnterprise>
-          </configuration>
-        </plugin>
       </plugins>
     </pluginManagement>