Fix PAL tests break (#98301)

The recent removal of PAL versions of floor, floorf, log, modf and modff
has broken PAL test suite. While the test sources were removed, the test
info for these was not removed from the
pal/tests/palsuite/paltestlist.txt.

This change fixes it.

Close #98295

Author: janvorli

src/coreclr/pal/tests/palsuite/paltestlist.txt

@@ -9,8 +9,6 @@ c_runtime/fflush/test1/paltest_fflush_test1
 c_runtime/fgets/test1/paltest_fgets_test1
 c_runtime/fgets/test2/paltest_fgets_test2
 c_runtime/fgets/test3/paltest_fgets_test3
-c_runtime/floor/test1/paltest_floor_test1
-c_runtime/floorf/test1/paltest_floorf_test1
 c_runtime/fopen/test1/paltest_fopen_test1
 c_runtime/fopen/test2/paltest_fopen_test2
 c_runtime/fopen/test3/paltest_fopen_test3
@@ -33,15 +31,12 @@ c_runtime/iswspace/test1/paltest_iswspace_test1
 c_runtime/iswupper/test1/paltest_iswupper_test1
 c_runtime/isxdigit/test1/paltest_isxdigit_test1
 c_runtime/llabs/test1/paltest_llabs_test1
-c_runtime/log/test1/paltest_log_test1
 c_runtime/malloc/test1/paltest_malloc_test1
 c_runtime/malloc/test2/paltest_malloc_test2
 c_runtime/memchr/test1/paltest_memchr_test1
 c_runtime/memcmp/test1/paltest_memcmp_test1
 c_runtime/memmove/test1/paltest_memmove_test1
 c_runtime/memset/test1/paltest_memset_test1
-c_runtime/modf/test1/paltest_modf_test1
-c_runtime/modff/test1/paltest_modff_test1
 c_runtime/qsort/test1/paltest_qsort_test1
 c_runtime/qsort/test2/paltest_qsort_test2
 c_runtime/rand_srand/test1/paltest_rand_srand_test1