Merge pull request #725 from gbrail:langchain-dependency

PiperOrigin-RevId: 885587141

Author: copybara-github

contrib/langchain4j/pom.xml

@@ -58,11 +58,6 @@
             <artifactId>google-adk</artifactId>
             <version>${project.version}</version>
         </dependency>
-        <dependency>
-            <groupId>com.google.adk</groupId>
-            <artifactId>google-adk-dev</artifactId>
-            <version>${project.version}</version>
-        </dependency>
         <dependency>
             <groupId>com.google.genai</groupId>
             <artifactId>google-genai</artifactId>