build: remove vertexai from modules in root pom.

Author: blakeli0

gapic-libraries-bom/pom.xml

@@ -1364,7 +1364,7 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-vertexai-bom</artifactId>
-        <version>1.48.0</version><!-- {x-version-update:google-cloud-vertexai:current} -->
+        <version>1.48.0</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>

pom.xml

@@ -241,7 +241,6 @@
     <module>java-translate</module>
     <module>java-valkey</module>
     <module>java-vectorsearch</module>
-    <module>java-vertexai</module>
     <module>java-video-intelligence</module>
     <module>java-video-live-stream</module>
     <module>java-video-stitcher</module>