build fix for Heltec Mesh Solar and Mesh Pocket

variants/heltec_mesh_solar/platformio.ini

@@ -1,7 +1,6 @@
 [Heltec_mesh_solar]
 extends = nrf52_base
 board = heltec_mesh_solar
-platform_packages = framework-arduinoadafruitnrf52
 board_build.ldscript = boards/nrf52840_s140_v6.ld
 build_flags =  ${nrf52_base.build_flags}
   -I src/helpers/nrf52

variants/mesh_pocket/platformio.ini

@@ -1,7 +1,6 @@
 [Mesh_pocket]
 extends = nrf52_base
 board = heltec_mesh_pocket
-platform_packages = framework-arduinoadafruitnrf52
 board_build.ldscript = boards/nrf52840_s140_v6.ld
 build_flags =  ${nrf52_base.build_flags}
   -I src/helpers/nrf52
@@ -32,7 +31,6 @@ lib_deps =
   stevemarple/MicroNMEA @ ^2.0.6
   zinggjm/GxEPD2 @ 1.6.2
   bakercp/CRC32 @ ^2.0.0
-
 debug_tool = jlink
 upload_protocol = nrfutil
 
@@ -40,7 +38,6 @@ upload_protocol = nrfutil
 extends = Mesh_pocket
 build_src_filter = ${Mesh_pocket.build_src_filter}
   +<../examples/simple_repeater>
-
 build_flags =
   ${Mesh_pocket.build_flags}
   -D ADVERT_NAME='"Heltec_Mesh_Pocket Repeater"'