Remove "KelasRobotTime" from repository list

Due to irresponsible behavior, registry privileges have been revoked for `github.com/kelasrobot`.

Author: per1234

repositories.txt

@@ -7669,7 +7669,6 @@ https://github.com/digitalfen/EmuRTC
 https://github.com/alfan459/RandomForestModel
 https://github.com/alfan459/ElasticNetModel
 https://github.com/alfan459/LinearRegressionModel
-https://github.com/kelasrobot/KelasRobotTime
 https://github.com/kelasrobot/MQTTESP
 https://github.com/bsrahmat/iotNetESP32
 https://github.com/ajangrahmat/ArduMekaWiFi