Merge pull request #324 from adafruit/release-1.7.10

increase verion to 1.7.10

Author: hathach

libraries/Adafruit_TinyUSB_Arduino

@@ -20,7 +20,7 @@
 # https://github.com/arduino/Arduino/wiki/Arduino-IDE-1.5---3rd-party-Hardware-specification
 
 name=Adafruit SAMD (32-bits ARM Cortex-M0+ and Cortex-M4) Boards
-version=1.7.9
+version=1.7.10
 
 # Compile variables
 # -----------------
@@ -151,18 +151,6 @@ tools.bossac18.upload.pattern="{path}/{cmd}" {upload.verbose} --port={serial.por
 tools.bossac18.network_cmd={runtime.tools.arduinoOTA.path}/bin/arduinoOTA
 tools.bossac18.upload.network_pattern="{network_cmd}" -address {serial.port} -port 65280 -username arduino -password "{network.password}" -sketch "{build.path}/{build.project_name}.bin" -upload /sketch -b
 
-# v1.9.1
-
-tools.bossac19.path={runtime.tools.bossac-1.9.1-arduino2.path}
-tools.bossac19.cmd=bossac
-
-tools.bossac19.upload.params.verbose=-i -d
-tools.bossac19.upload.params.quiet=
-tools.bossac19.upload.pattern="{path}/{cmd}" {upload.verbose} --port={serial.port.file} -U -i --offset={upload.offset} -w -v "{build.path}/{build.project_name}.bin" -R
-
-tools.bossac19.network_cmd={runtime.tools.arduinoOTA.path}/bin/arduinoOTA
-tools.bossac19.upload.network_pattern="{network_cmd}" -address {serial.port} -port 65280 -username arduino -password "{network.password}" -sketch "{build.path}/{build.project_name}.bin" -upload /sketch -b
-
 #
 # BOSSA (ignore binary size)
 #