remove obsolete fp80 test

tests/cases/fp80_ta2.ll

@@ -1,21 +0,0 @@
-; ModuleID = 'src.cpp.o'
-target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32-n8:16:32"
-target triple = "i386-pc-linux-gnu"
-
-@.str = private unnamed_addr constant [15 x i8] c"hello, world!\0A\00" ; [#uses=1]
-
-; [#uses=0]
-define i32 @main() {
-entry:
-  %x = zext i32 0 to x86_fp80
-  %1 = bitcast x86_fp80 %x to i80
-  %2 = trunc i80 %1 to i32
-  %retval = alloca i32, align 4                   ; [#uses=1]
-  store i32 0, i32* %retval
-  %call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([15 x i8]* @.str, i32 0, i32 0)) ; [#uses=0]
-  ret i32 0
-}
-
-; [#uses=1]
-declare i32 @printf(i8*, ...)
-