woodpecker: cut down to just esp32 builds for now

.woodpecker.yml

@@ -1,11 +1,4 @@
 pipeline:
-  build_bike:
-    group: build
-    image: python
-    commands:
-      - pip install -U platformio
-      - pio run -e bike -e bike_ble
-      - pio run -e bike -e bike_ble --target buildfs
   build_esp32:
     group: build
     image: python
@@ -13,13 +6,6 @@ pipeline:
       - pip install -U platformio
       - pio run -e esp32 -e esp32_wifi -e esp32_bluetooth
       - pio run -e esp32 -e esp32_wifi -e esp32_bluetooth --target buildfs
-  build_8266:
-    group: build
-    image: python
-    commands:
-      - pip install -U platformio
-      - pio run -e esp8266 -e esp8266_wifi
-      - pio run -e esp8266 -e esp8266_wifi --target buildfs
   check:
     image: python
       - pip install -U platformio