Temporarily remove another test added in one of the tests added in effb87d

This test reads the test file removed in db3e4faa4d.

compiler-rt/test/profile/Linux/coverage-linkage-lld.cpp

@@ -1,8 +0,0 @@
-// REQUIRES: lld-available
-/// With lld --gc-sections we can ensure discarded[01] and their profc/profd
-/// variables are discarded.
-
-// RUN: %clang_profgen -fcoverage-mapping -ffunction-sections -fuse-ld=lld -Wl,--gc-sections %S/coverage-linkage.cpp -o %t
-// RUN: llvm-nm %t | FileCheck %s
-
-// CHECK-NOT: discarded{{.*}}