Remove testlist/mips-riscv-x86.dat

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
diff --git a/testlist/mips-riscv-x86.dat b/testlist/mips-riscv-x86.dat
deleted file mode 100644
index aa46c06..0000000
--- a/testlist/mips-riscv-x86.dat
+++ /dev/null
@@ -1,7 +0,0 @@
-/mips,CONFIG_MIPS32_TOOLCHAIN_PINGUINOL
-
-/risc-v,CONFIG_RV32IM_TOOLCHAIN_GNU_RVGL
--gapuino:nsh
--nr5m100-nexys4:nsh
-
-/x86