Update mkoverlay with new overlay strategy

lib/psexe.ld

@@ -49,8 +49,6 @@ __fdata_len     = (__planschi_end - __fdata_start);
 
 __stack_start   = ORIGIN(ram) + LENGTH(ram);
 
-__heap_base     = __planschi_end;
-
 SECTIONS {
     /DISCARD/ : { *(.MIPS.abiflags) }
 
@@ -61,30 +59,7 @@ SECTIONS {
     /DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) *(.gnu.*) *(.comment) }
 }
 
-SECTIONS {
-    __boot_loader_start = .;
-    __planschi_start    = .;
-    OVERLAY __bss_end : NOCROSSREFS SUBALIGN(4)
-	{
-		.planschi
-		{
-			*libJabyEngine.a:*_boot.o(.text.startup._GLOBAL__*)
-			*libJabyEngine.a:*_boot.o(.ctors)
-
-            *libJabyEngine.a:*_boot.o(.text.*)
-			*libJabyEngine.a:*_boot.o(.rodata*)
-            *libJabyEngine.a:*_boot.o(.sdata*)
-			*libJabyEngine.a::*_boot.o(.data*)
-			*libJabyEngine.a::*_boot.o(.sbss*)
-			*libJabyEngine.a::*_boot.o(.bss*)
-            *libJabyEngine.a::*_boot.o(*)
-		}
-	}
-    __boot_loader_end = .;
-    /*Only needed for the PSX BIOS to load the entire game*/
-    . = ALIGN(2048);
-    __planschi_end = .;     
-}
+/*Overlay sections created by mkoverlay*/
 
 SECTIONS {
     .PSX_EXE_Header : {