Kernel: Remove redundant (K)String::characters() calls

Kernel/GlobalProcessExposed.cpp

@@ -372,7 +372,7 @@ private:
                     result = pseudo_path_or_error.release_error();
                     return IterationDecision::Break;
                 }
-                fs_object.add("source", pseudo_path_or_error.value()->characters());
+                fs_object.add("source", pseudo_path_or_error.value()->view());
             } else {
                 fs_object.add("source", "none");
             }

Kernel/Net/NE2000/NetworkAdapter.cpp

@@ -181,7 +181,7 @@ UNMAP_AFTER_INIT NE2000NetworkAdapter::NE2000NetworkAdapter(PCI::Address address
 
     reset();
     set_mac_address(m_mac_address);
-    dmesgln("NE2000: MAC address: {}", m_mac_address.to_string().characters());
+    dmesgln("NE2000: MAC address: {}", m_mac_address.to_string());
     enable_irq();
 }
 

Kernel/ProcessSpecificExposed.cpp

@@ -286,7 +286,7 @@ ErrorOr<void> Process::procfs_get_tty_link(KBufferBuilder& builder) const
 {
     if (m_tty.is_null())
         return Error::from_errno(ENOENT);
-    return builder.append(m_tty->tty_name().characters());
+    return builder.append(m_tty->tty_name().view());
 }
 
 }