scale back default architectures

Author: ianfixes

misc/default.yaml

@@ -67,13 +67,11 @@ compile:
   platforms:
     - uno
     - due
-    - esp8266
     - leonardo
 
 unittest:
   libraries: ~
   platforms:
     - uno
     - due
-    - esp8266
     - leonardo

spec/ci_config_spec.rb

@@ -24,8 +24,8 @@
       expect(zero[:gcc].class).to eq(Hash)
 
       expect(default_config.package_url("adafruit:avr")).to eq("https://adafruit.github.io/arduino-board-index/package_adafruit_index.json")
-      expect(default_config.platforms_to_build).to match(["uno", "due", "esp8266", "leonardo"])
-      expect(default_config.platforms_to_unittest).to match(["uno", "due", "esp8266", "leonardo"])
+      expect(default_config.platforms_to_build).to match(["uno", "due", "leonardo"])
+      expect(default_config.platforms_to_unittest).to match(["uno", "due", "leonardo"])
       expect(default_config.aux_libraries_for_build).to match([])
       expect(default_config.aux_libraries_for_unittest).to match([])
     end