tests/functional/alpha: Remove superfluous fetch() line from the clipper test

The kernel asset is retrieved automatically via the uncompress()
line below the fetch(), so the fetch() is simply not necessary here.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20251010144525.842462-1-thuth@redhat.com>

tests/functional/alpha/test_clipper.py

@@ -17,7 +17,6 @@ class AlphaClipperTest(LinuxKernelTest):
 
     def test_alpha_clipper(self):
         self.set_machine('clipper')
-        kernel_path = self.ASSET_KERNEL.fetch()
 
         uncompressed_kernel = self.uncompress(self.ASSET_KERNEL, format="gz")