docs: Remove Watson references in comments

Author: lpatino10

src/main/java/com/ibm/cloud/sdk/core/http/ServiceCookieJar.java

@@ -28,7 +28,7 @@ public final class ServiceCookieJar implements CookieJar {
   private JavaNetCookieJar adapter;
 
   /**
-   * Instantiates a new Watson cookie jar.
+   * Instantiates a new ServiceCookieJar.
    *
    * @param cookieHandler the cookie handler
    */

src/main/java/com/ibm/cloud/sdk/core/service/BaseService.java

@@ -15,9 +15,7 @@
 import com.ibm.cloud.sdk.core.http.HttpClientSingleton;
 import com.ibm.cloud.sdk.core.http.HttpConfigOptions;
 import com.ibm.cloud.sdk.core.http.HttpHeaders;
-import com.ibm.cloud.sdk.core.http.HttpMediaType;
 import com.ibm.cloud.sdk.core.http.HttpStatus;
-import com.ibm.cloud.sdk.core.http.RequestBuilder;
 import com.ibm.cloud.sdk.core.http.ResponseConverter;
 import com.ibm.cloud.sdk.core.http.ServiceCall;
 import com.ibm.cloud.sdk.core.http.ServiceCallback;
@@ -37,13 +35,11 @@
 import com.ibm.cloud.sdk.core.service.security.IamTokenManager;
 import com.ibm.cloud.sdk.core.util.CredentialUtils;
 import com.ibm.cloud.sdk.core.util.RequestUtils;
-import com.ibm.cloud.sdk.core.util.ResponseConverterUtils;
 import jersey.repackaged.jsr166e.CompletableFuture;
 import okhttp3.Call;
 import okhttp3.Callback;
 import okhttp3.Credentials;
 import okhttp3.Headers;
-import okhttp3.HttpUrl;
 import okhttp3.OkHttpClient;
 import okhttp3.Request;
 import okhttp3.Request.Builder;

src/main/java/com/ibm/cloud/sdk/core/service/exception/package-info.java

@@ -12,7 +12,7 @@
  */
 
 /**
- * This package contains a collection of runtime exceptions thrown by the Watson services.
+ * This package contains a collection of runtime exceptions thrown by IBM Cloud services.
  */
 package com.ibm.cloud.sdk.core.service.exception;
 

src/main/java/com/ibm/cloud/sdk/core/util/DateDeserializer.java

@@ -29,7 +29,7 @@
 import com.google.gson.JsonParseException;
 
 /**
- * Date deserializer for different date format across all the Watson APIs.
+ * Date deserializer for different date formats across various IBM Cloud APIs.
  */
 public class DateDeserializer implements JsonDeserializer<Date> {
   private static final String DATE_FROM_ALCHEMY = "yyyyMMdd'T'HHmmss";