arm: [MVE intrinsics] update v[id]dup tests

arm: [MVE intrinsics] update v[id]dup tests

Testing v[id]dup overloads with '1' as argument for uint32_t* does not
make sense: instead of choosing the '_wb' overload, we choose the
'_n', but we already do that in the '_n' tests.

This patch removes all such bogus foo2 functions.

2024-08-28  Christophe Lyon  <christophe.lyon@linaro.org>

	gcc/testsuite/
	* gcc.target/arm/mve/intrinsics/vddupq_m_wb_u16.c: Remove foo2.
	* gcc.target/arm/mve/intrinsics/vddupq_m_wb_u32.c: Remove foo2.
	* gcc.target/arm/mve/intrinsics/vddupq_m_wb_u8.c: Remove foo2.
	* gcc.target/arm/mve/intrinsics/vddupq_wb_u16.c: Remove foo2.
	* gcc.target/arm/mve/intrinsics/vddupq_wb_u32.c: Remove foo2.
	* gcc.target/arm/mve/intrinsics/vddupq_wb_u8.c: Remove foo2.
	* gcc.target/arm/mve/intrinsics/vddupq_x_wb_u16.c: Remove foo2.
	* gcc.target/arm/mve/intrinsics/vddupq_x_wb_u32.c: Remove foo2.
	* gcc.target/arm/mve/intrinsics/vddupq_x_wb_u8.c: Remove foo2.
	* gcc.target/arm/mve/intrinsics/vidupq_m_wb_u16.c: Remove foo2.
	* gcc.target/arm/mve/intrinsics/vidupq_m_wb_u32.c: Remove foo2.
	* gcc.target/arm/mve/intrinsics/vidupq_m_wb_u8.c: Remove foo2.
	* gcc.target/arm/mve/intrinsics/vidupq_wb_u16.c: Remove foo2.
	* gcc.target/arm/mve/intrinsics/vidupq_wb_u32.c: Remove foo2.
	* gcc.target/arm/mve/intrinsics/vidupq_wb_u8.c: Remove foo2.
	* gcc.target/arm/mve/intrinsics/vidupq_x_wb_u16.c: Remove foo2.
	* gcc.target/arm/mve/intrinsics/vidupq_x_wb_u32.c: Remove foo2.
	* gcc.target/arm/mve/intrinsics/vidupq_x_wb_u8.c: Remove foo2.