Update repositories.txt

Author: galihru

repositories.txt

@@ -7817,9 +7817,5 @@ https://bitbucket.org/mgf_ryan/smartsystem
 https://github.com/SequentMicrosystems/Sequent-8crt-Library
 https://github.com/dac1e/RtcDueRcf
 https://github.com/4211421036/fnn
-https://github.com/4211421036/gsr-arduino
 https://github.com/4211421036/IoTModule
 https://github.com/4211421036/githubiot
-https://github.com/Elrindel/SomfyReceiver
-https://github.com/thebestia90/AD5259
-https://github.com/dac1e/Dcf77Receiver