cpplint: Remove many unnecessary NOLINT

Now that we updated to upstream cpplint, a lot of these NOLINTs are no
longer necessary.

Bug: 68951293
Change-Id: If8ed5ffe89727f313f907a214b6d8fd2a2eddbad
diff --git a/compiler/utils/swap_space.h b/compiler/utils/swap_space.h
index 08e243b..2280f8b 100644
--- a/compiler/utils/swap_space.h
+++ b/compiler/utils/swap_space.h
@@ -124,7 +124,7 @@
   explicit SwapAllocator(SwapSpace* swap_space) : swap_space_(swap_space) {}
 
   template <typename U>
-  SwapAllocator(const SwapAllocator<U>& other)  // NOLINT, implicit
+  SwapAllocator(const SwapAllocator<U>& other)
       : swap_space_(other.swap_space_) {}
 
   SwapAllocator(const SwapAllocator& other) = default;
@@ -160,7 +160,7 @@
   explicit SwapAllocator(SwapSpace* swap_space) : swap_space_(swap_space) {}
 
   template <typename U>
-  SwapAllocator(const SwapAllocator<U>& other)  // NOLINT, implicit
+  SwapAllocator(const SwapAllocator<U>& other)
       : swap_space_(other.swap_space_) {}
 
   SwapAllocator(const SwapAllocator& other) = default;