[gdb/testsuite] Remove KFAIL for PR ada/30908

PR ada/30908 turns out to be a duplicate of PR ada/12607, which was fixed by
commit d56fdf1b976 ("Refine Ada overload matching").

Remove the KFAILs for PR ada/30908.

Tested on x86_64-linux.

Approved-By: Tom Tromey <tom@tromey.com>

Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=30908
diff --git a/gdb/testsuite/gdb.ada/str_binop_equal.exp b/gdb/testsuite/gdb.ada/str_binop_equal.exp
index 470fda0..943e0a6 100644
--- a/gdb/testsuite/gdb.ada/str_binop_equal.exp
+++ b/gdb/testsuite/gdb.ada/str_binop_equal.exp
@@ -31,24 +31,8 @@
 gdb_test "print my_str = my_str" \
          " = true"
 
-set kfail_re \
-    [multi_line \
-	 [string_to_regexp {Symbol: ada.strings.maps."="}] \
-	 ".*" \
-	 "\\$$decimal = false"]
-
-gdb_test_no_output "set debug expr 1"
-
-gdb_test_multiple {print my_str = "ABCD"} "" {
-    -re -wrap " = true" {
-	pass $gdb_test_name
-    }
-    -re -wrap $kfail_re {
-	kfail ada/30908 $gdb_test_name
-    }
-}
-
-gdb_test "set debug expr 0"
+gdb_test "print my_str = \"ABCD\"" \
+    " = true"
 
 gdb_test "print my_str = \"EFGH\"" \
          " = false"
diff --git a/gdb/testsuite/gdb.ada/widewide.exp b/gdb/testsuite/gdb.ada/widewide.exp
index 241f0a01..f1ce084 100644
--- a/gdb/testsuite/gdb.ada/widewide.exp
+++ b/gdb/testsuite/gdb.ada/widewide.exp
@@ -42,33 +42,9 @@
 
 gdb_test "print my_wws(2)" "= 104 'h'"
 
-set kfail_re \
-    [multi_line \
-	 [string_to_regexp {Symbol: ada.strings.maps."="}] \
-	 ".*" \
-	 "\\$$decimal = false"]
+gdb_test "print my_wws = \" helo\"" " = true"
 
-gdb_test_no_output "set debug expr 1"
-
-gdb_test_multiple {print my_wws = " helo"} "" {
-    -re -wrap " = true" {
-	pass $gdb_test_name
-    }
-    -re -wrap $kfail_re {
-	kfail ada/30908 $gdb_test_name
-    }
-}
-gdb_test_multiple {print my_ws = "wide"} "" {
-    -re -wrap " = true" {
-	pass $gdb_test_name
-    }
-    -re -wrap $kfail_re {
-	kfail ada/30908 $gdb_test_name
-    }
-}
-
-gdb_test "set debug expr 0"
-
+gdb_test "print my_ws = \"wide\"" " = true"
 gdb_test "print my_ws = \"nope\"" " = false"
 
 gdb_test "print \"x\" & my_ws & \"y\"" " = \"xwidey\""