Remove "7SemiSHT4x_Lib" from repository list

Author: 7Semi

repositories.txt

@@ -1,6 +1,5 @@
 https://github.com/rjsachse/ESP32-RTSPServer.git
 https://github.com/schreibfaul1/ESP32-audioI2S
-https://github.com/7Semi/SevenSemiSHT4x_Lib
 https://github.com/hasenradball/MCP23008-I2C
 https://github.com/roncoa/KeySequence
 https://github.com/juanmercadin/ReceptorRF