Removed old mock files

These are no longer used now that we've offloaded stuff to the Pico

Author: WilliamBarber

CMakeLists.txt

@@ -25,8 +25,6 @@ add_executable(
         lib/Command.h
         lib/Command_Interpreter.cpp
         lib/Command_Interpreter.h
-        lib/Mock_GPIO.cpp
-        lib/Mock_GPIO.h
         lib/Wiring.cpp
         lib/Wiring.h)
 target_link_libraries(
@@ -36,4 +34,4 @@ target_link_libraries(
 
 include(GoogleTest)
 gtest_discover_tests(run_tests)
-#Gtest end
+#Gtest end