Fix JUT_ASSERT and several other macros (#2711)

* Fix JUT_ASSERT to be a nested define

* Switch names that appear in asserts to be constants instead of defines

* Replace `0` in asserts with `NULL` or `FALSE`

* Fix fpclassify

* Fix ARRAY_SIZE

* Use G_CM3D_F_INF

* More fixes for fpclassify

* Remove FLOAT_LABEL

* Remove incorrect FLAG_ON macro

* Remove UNK_BSS macro

* Silence clangd unused header warning for PCH

src/JSystem/JUtility/JUTResFont.cpp

@@ -12,8 +12,6 @@
 #include "JSystem/JUtility/JUTConsole.h"
 #include "dolphin/gx.h"
 
-#define suAboutEncoding_ 3
-
 /* 802DEF48-802DEF94 2D9888 004C+00 0/0 1/1 0/0 .text            __ct__10JUTResFontFv */
 JUTResFont::JUTResFont() {
     initialize_state();