Remove XACML related dependencies and tests

[adibmbrk]

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[darshanasbg]

PR builder completed Link: https://github.com/wso2/product-is/actions/runs/11293332351 Status: failure

Installing org.wso2.carbon.extension.identity.oauth2.token.exchange.feature.group 1.1.12.
Installing org.wso2.ciphertool.feature.group 1.1.26.
Cannot complete the install because one or more required items could not be found.
Installation failed.
 Software being installed: Identity Provisioning Connector SCIM2 Server Feature 2.0.6 (org.wso2.carbon.identity.provisioning.connector.scim2.server.feature.group 2.0.6)
 Missing requirement: org.wso2.carbon.identity.provisioning 7.5.60 (org.wso2.carbon.identity.provisioning 7.5.60) requires 'package org.wso2.balana.utils.exception [1.1.0,2.0.0)' but it could not be found
 Cannot satisfy dependency:
  From: org.wso2.carbon.identity.provisioning.connector.scim2 2.0.6 (org.wso2.carbon.identity.provisioning.connector.scim2 2.0.6)
  To: package org.wso2.carbon.identity.provisioning [5.0.0,8.0.0)
 Cannot satisfy dependency:
  From: Identity Provisioning Connector SCIM2 Server Feature 2.0.6 (org.wso2.carbon.identity.provisioning.connector.scim2.server.feature.group 2.0.6)
  To: org.wso2.carbon.identity.provisioning.connector.scim2 [2.0.6]
Application failed, log file location: /tmp/tycho-p2-runtime10680102111124087079.tmp/configuration/1728654203500.log

[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary for WSO2 Identity Server 7.1.0-m3-SNAPSHOT:
[INFO] 
[INFO] WSO2 Identity Server ............................... SUCCESS [01:40 min]
[INFO] WSO2 Identity Server Styles Parent ................. SUCCESS [  9.106 s]
[INFO] Identity Server: UI styles ......................... SUCCESS [01:27 min]
[INFO] WSO2 IS - Features Aggregator Module ............... SUCCESS [  0.016 s]
[INFO] WSO2 IS - Style Features ........................... SUCCESS [ 38.334 s]
[INFO] WSO2 IS - Utils Features ........................... SUCCESS [ 11.452 s]
[INFO] WSO2 Carbon - Identity UI Feature .................. SUCCESS [  8.508 s]
[INFO] WSO2 IS - IS Profile Generation .................... FAILURE [02:39 min]

Due to #21329 (comment)

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