Revert "quad: change "modular_quad_pid" to "real_quad""

quad/xsdk_workspace/modular_quad_pid/Release/sources.mk

quad/xsdk_workspace/modular_quad_pid/Release/src/subdir.mk

quad/xsdk_workspace/modular_quad_pid/ext/__CAUTION__.md

quad/xsdk_workspace/modular_quad_pid/src/hw_impl_zybo.c

quad/xsdk_workspace/modular_quad_pid/src/hw_impl_zybo.h

...k_workspace/modular_quad_pid/src/hw_impl_zybo_axi_timer.c

...orkspace/modular_quad_pid/src/hw_impl_zybo_global_timer.c

quad/xsdk_workspace/modular_quad_pid/src/hw_impl_zybo_i2c.c

...dk_workspace/modular_quad_pid/src/hw_impl_zybo_mio7_led.c

...k_workspace/modular_quad_pid/src/hw_impl_zybo_pwm_input.c

..._workspace/modular_quad_pid/src/hw_impl_zybo_pwm_output.c

...xsdk_workspace/modular_quad_pid/src/hw_impl_zybo_system.c

.../xsdk_workspace/modular_quad_pid/src/hw_impl_zybo_tests.c

quad/xsdk_workspace/modular_quad_pid/src/hw_impl_zybo_uart.c

quad/xsdk_workspace/modular_quad_pid/src/lscript.ld

quad/xsdk_workspace/modular_quad_pid/src/main.c

quad/xsdk_workspace/modular_quad_pid/src/platform.c

quad/xsdk_workspace/modular_quad_pid/src/platform.h

quad/xsdk_workspace/modular_quad_pid/src/platform_config.h

quad/xsdk_workspace/modular_quad_pid/test/.gitignore