target/sparc/int32_helper: Remove duplicated 'Tag Overflow' entry

Commit 0b09be2b ("Nicer debug output for exceptions") added
twice the same "Tag Overflow" entry, remove the extra one.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20201011200112.3222822-1-f4bug@amsat.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>

target/sparc/int32_helper.c

@@ -50,7 +50,6 @@ static const char * const excp_names[0x80] = {
     [TT_EXTINT | 0xd] = "External Interrupt 13",
     [TT_EXTINT | 0xe] = "External Interrupt 14",
     [TT_EXTINT | 0xf] = "External Interrupt 15",
-    [TT_TOVF] = "Tag Overflow",
     [TT_CODE_ACCESS] = "Instruction Access Error",
     [TT_DATA_ACCESS] = "Data Access Error",
     [TT_DIV_ZERO] = "Division By Zero",