[ntsc-1.2] Match __osMalloc.c and code_800FC620.c (new/delete) (#2106)

* Match __osMalloc

* Match src/code/code_800FC620.c (new/delete)

* Wrap versions-specific files in ifdefs to fix compilation

* Fix bss

* Remove {FAULT,RAND,OSMALLOC}_VERSION in favor of PLATFORM_N64

* Fix __osMalloc data splits, add unused strings

* __osMalloc.h -> osMalloc.h

* Fix merge

include/variables.h

@@ -2,6 +2,7 @@
 #define VARIABLES_H
 
 #include "z64.h"
+#include "osMalloc.h"
 #include "segment_symbols.h"
 
 extern Mtx D_01000000;
@@ -234,7 +235,6 @@ extern ActiveSequence gActiveSeqs[4];
 extern AudioContext gAudioCtx;
 extern AudioCustomUpdateFunction gAudioCustomUpdateFunction;
 
-extern u32 __osMalloc_FreeBlockTest_Enable;
 extern Arena gSystemArena;
 extern OSPifRam __osContPifRam;
 extern u8 __osContLastCmd;
@@ -248,6 +248,4 @@ extern u64 gGfxSPTaskStack[SP_DRAM_STACK_SIZE64]; // 0x400 bytes
 extern GfxPool gGfxPools[2]; // 0x24820 bytes
 extern u8 gAudioHeap[0x38000]; // 0x38000 bytes
 
-extern u32 gTotalAllocFailures;
-
 #endif