remove libraries as submodules

libraries are now directly integrated into the lib folder

.gitmodules

@@ -1,36 +0,0 @@
-[submodule "libraries/pubsubclient"]
-	path = libraries/pubsubclient
-	url = git://github.com/knolleary/pubsubclient.git
-[submodule "libraries/rcswitch"]
-	path = libraries/rcswitch
-	url = git://github.com/sui77/rc-switch.git
-[submodule "libraries/IRremoteESP8266"]
-	path = libraries/IRremoteESP8266
-	url = git://github.com/markszabo/IRremoteESP8266.git
-[submodule "libraries/IRremote"]
-	path = libraries/IRremote
-	url = git://github.com/z3t0/Arduino-IRremote.git
-[submodule "libraries/SparkFun_BME280_Arduino_Library"]
-	path = libraries/SparkFun_BME280_Arduino_Library
-	url = https://github.com/sparkfun/SparkFun_BME280_Arduino_Library
-[submodule "libraries/Adafruit_Sensor"]
-	path = libraries/Adafruit_Sensor
-	url = https://github.com/adafruit/Adafruit_Sensor
-[submodule "libraries/DHT-sensor-library"]
-	path = libraries/DHT-sensor-library
-	url = https://github.com/adafruit/DHT-sensor-library
-[submodule "libraries/RFM69"]
-	path = libraries/RFM69
-	url = https://github.com/LowPowerLab/RFM69
-[submodule "libraries/NewRemoteSwitch"]
-	path = libraries/NewRemoteSwitch
-	url = https://github.com/1technophile/NewRemoteSwitch
-[submodule "libraries/ESP32_BLE_Arduino"]
-	path = libraries/ESP32_BLE_Arduino
-	url = git://github.com/nkolban/ESP32_BLE_Arduino.git
-[submodule "libraries/ArduinoJson"]
-	path = libraries/ArduinoJson
-	url = git://github.com/bblanchon/ArduinoJson.git
-[submodule "libraries/WifiManager"]
-	path = libraries/WifiManager
-	url = git://github.com/tzapu/WifiManager.git