Merge pull request #5760 from per1234/remove-MQTTESP

Remove "MQTTESP"

Author: MatteoPologruto

registry.txt

@@ -7727,7 +7727,6 @@ https://github.com/alfan459/RandomForestModel.git|Contributed|RandomForestModel
 https://github.com/alfan459/ElasticNetModel.git|Contributed|ElasticNetModel
 https://github.com/alfan459/LinearRegressionModel.git|Contributed|LinearRegressionModel
 https://github.com/ropg/spi_lcd_read.git|Contributed|spi_lcd_read
-https://github.com/kelasrobot/MQTTESP.git|Contributed|MQTTESP
 https://github.com/bsrahmat/iotNetESP32.git|Contributed|iotNetESP32
 https://github.com/CIRCUITSTATE/CSE_ZH06.git|Contributed|CSE_ZH06
 https://github.com/alkonosst/MCP23017.git|Contributed|MCP23017_MR