Revert "v1.15: Email prompt (#3270)"

This reverts commit 7683f04.

Author: guimachiavelli

learn/self_hosted/configure_meilisearch_at_launch.mdx

@@ -238,15 +238,6 @@ Meilisearch automatically collects data from all instances that do not opt out u
 
 [Read more about our policy on data collection](/learn/resources/telemetry), or take a look at [the comprehensive list of all data points we collect](/learn/resources/telemetry#exhaustive-list-of-all-collected-data).
 
-### Contact email
-
-**Environment variable**: `MEILI_CONTACT_EMAIL`<br />
-**CLI option**: `--contact-email`
-**Default value**: None<br />
-**Expected value**: an email address
-
-Adds the specified string to Meilisearch's mailing list. Leave empty to automatically skip the email prompt when launching Meilisearch.
-
 ### Dumpless upgrade <NoticeTag type="experimental" label="experimental" />
 
 **Environment variable**: `MEILI_EXPERIMENTAL_DUMPLESS_UPGRADE`<br />

snippets/samples/code_samples_getting_started_add_documents.mdx

@@ -78,14 +78,14 @@ $client->index('movies')->addDocuments($movies);
 // <dependency>
 //   <groupId>com.meilisearch.sdk</groupId>
 //   <artifactId>meilisearch-java</artifactId>
-//   <version>0.15.0</version>
+//   <version>0.14.7</version>
 //   <type>pom</type>
 // </dependency>
 
 // For Gradle
 // Add the following line to the `dependencies` section of your `build.gradle`:
 //
-// implementation 'com.meilisearch.sdk:meilisearch-java:0.15.0'
+// implementation 'com.meilisearch.sdk:meilisearch-java:0.14.7'
 
 // In your .java file:
 import com.meilisearch.sdk;