Disable HUB75 for V4_M builds due to space issues when building on windows

Author: netmindz

platformio.ini

@@ -1531,6 +1531,7 @@ lib_deps = ${esp32_4MB_V4_M_base.esp32_lib_deps}
 lib_ignore = IRremoteESP8266 ; use with WLED_DISABLE_INFRARED for faster compilation
 build_unflags = ${esp32_4MB_V4_M_base.build_unflags}
   -D USERMOD_ANIMARTRIX ;; Tips our memory usage over the limit
+  -D WLED_ENABLE_HUB75MATRIX
 
 ;; RAM:   [===       ]  25.9% (used 84708 bytes from 327680 bytes)
 ;; Flash: [==========]  98.5% (used 1549033 bytes from 1572864 bytes)