patch 9.0.0491: no good reason to build without the float feature

Problem:    No good reason to build without the float feature.
Solution:   Remove configure check for float and "#ifdef FEAT_FLOAT".
diff --git a/src/testdir/test_execute_func.vim b/src/testdir/test_execute_func.vim
index 3a8580e..b25f211 100644
--- a/src/testdir/test_execute_func.vim
+++ b/src/testdir/test_execute_func.vim
@@ -38,11 +38,9 @@
   call assert_equal("\nsomething", execute('echo "something"', 'silent'))
   call assert_equal("\nsomething", execute('echo "something"', 'silent!'))
   call assert_equal("", execute('burp', 'silent!'))
-  if has('float')
-    call assert_fails('call execute(3.4)', 'E492:')
-    call assert_equal("\nx", execute("echo \"x\"", 3.4))
-    call v9.CheckDefExecAndScriptFailure(['execute("echo \"x\"", 3.4)'], ['E1013: Argument 2: type mismatch, expected string but got float', 'E1174:'])
-  endif
+  call assert_fails('call execute(3.4)', 'E492:')
+  call assert_equal("\nx", execute("echo \"x\"", 3.4))
+  call v9.CheckDefExecAndScriptFailure(['execute("echo \"x\"", 3.4)'], ['E1013: Argument 2: type mismatch, expected string but got float', 'E1174:'])
 endfunc
 
 func Test_execute_list()