Remove instrumentationKey from config

Author: trask

agent/agent-bootstrap/src/main/java/com/microsoft/applicationinsights/agent/bootstrap/configuration/InstrumentationSettings.java

@@ -29,7 +29,6 @@
 public class InstrumentationSettings {
 
     public String connectionString;
-    public String instrumentationKey;
     public PreviewConfiguration preview = new PreviewConfiguration();
 
     public static class PreviewConfiguration {

agent/agent-tooling/src/main/java/com/microsoft/applicationinsights/agent/internal/BeforeAgentInstaller.java

@@ -171,7 +171,6 @@ private static String getCodelessSdkNamePrefix() {
 
     private static boolean hasConnectionStringOrInstrumentationKey(InstrumentationSettings config) {
         return !Strings.isNullOrEmpty(config.connectionString)
-                || !Strings.isNullOrEmpty(config.instrumentationKey)
                 || !Strings.isNullOrEmpty(System.getenv("APPLICATIONINSIGHTS_CONNECTION_STRING"))
                 || !Strings.isNullOrEmpty(System.getenv("APPINSIGHTS_INSTRUMENTATIONKEY"));
     }
@@ -203,9 +202,6 @@ private static ApplicationInsightsXmlConfiguration buildXmlConfiguration(Instrum
         if (!Strings.isNullOrEmpty(config.connectionString)) {
             xmlConfiguration.setConnectionString(config.connectionString);
         }
-        if (!Strings.isNullOrEmpty(config.instrumentationKey)) {
-            xmlConfiguration.setInstrumentationKey(config.instrumentationKey);
-        }
         if (!Strings.isNullOrEmpty(config.preview.roleName)) {
             xmlConfiguration.setRoleName(config.preview.roleName);
         }