Everywhere: Remove needless trailing semi-colons after functions

This is a new option in clang-format-16.

Tests/AK/TestCircularBuffer.cpp

@@ -20,7 +20,7 @@ void safe_write(CircularBuffer& buffer, u8 i)
     Bytes b { &i, 1 };
     auto written_bytes = buffer.write(b);
     EXPECT_EQ(written_bytes, 1ul);
-};
+}
 
 void safe_read(CircularBuffer& buffer, u8 supposed_result)
 {
@@ -29,12 +29,12 @@ void safe_read(CircularBuffer& buffer, u8 supposed_result)
     b = buffer.read(b);
     EXPECT_EQ(b.size(), 1ul);
     EXPECT_EQ(*b.data(), supposed_result);
-};
+}
 
 void safe_discard(CircularBuffer& buffer, size_t size)
 {
     TRY_OR_FAIL(buffer.discard(size));
-};
+}
 
 }
 

Tests/AK/TestOptional.cpp

@@ -186,13 +186,13 @@ TEST_CASE(test_copy_ctor_and_dtor_called)
             : m_was_move_constructed(other.m_was_move_constructed)
         {
             EXPECT(false);
-        };
+        }
 
         MoveChecker(MoveChecker&& other)
             : m_was_move_constructed(other.m_was_move_constructed)
         {
             m_was_move_constructed = true;
-        };
+        }
 
         bool& m_was_move_constructed;
     };

Tests/AK/TestTypeTraits.cpp

@@ -138,7 +138,7 @@ TEST_CASE(IsConvertible)
     };
     struct C {
         A a;
-        operator A() { return a; };
+        operator A() { return a; }
     };
     struct D {
     };

Tests/LibCore/TestLibCoreArgsParser.cpp

@@ -314,7 +314,7 @@ TEST_CASE(combination_of_bool_options_with_positional_vector_string)
         parser.add_positional_argument(positionals, "pos", "pos", Core::ArgsParser::Required::No);
     });
     EXPECT_EQ(parser_result.result, false);
-};
+}
 
 TEST_CASE(stop_on_first_non_option)
 {