[SPARK-46525][BUILD][TESTS][FOLLOWUP] Cleanup http client deps for sp…

…otify docker client

### What changes were proposed in this pull request?

Cleanup http client deps used by the spotify docker client, as it's unnecessary for dokcer-java
### Why are the changes needed?

cleanup necessary test deps

### Does this PR introduce _any_ user-facing change?

no
### How was this patch tested?

docker integration test

### Was this patch authored or co-authored using generative AI tooling?
no

Closes #45303 from yaooqinn/SPARK-46525-FF.

Authored-by: Kent Yao <[email protected]>
Signed-off-by: Kent Yao <[email protected]>

connector/docker-integration-tests/pom.xml

@@ -35,16 +35,6 @@
   </properties>
 
   <dependencies>
-    <dependency>
-      <groupId>org.apache.httpcomponents</groupId>
-      <artifactId>httpclient</artifactId>
-      <scope>test</scope>
-    </dependency>
-    <dependency>
-      <groupId>org.apache.httpcomponents</groupId>
-      <artifactId>httpcore</artifactId>
-      <scope>test</scope>
-    </dependency>
     <!-- Necessary in order to avoid errors in log messages: -->
     <dependency>
       <groupId>com.google.guava</groupId>