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/x86/assembler_x86_test.cc b/compiler/utils/x86/assembler_x86_test.cc
index e232add..36c5c3c 100644
--- a/compiler/utils/x86/assembler_x86_test.cc
+++ b/compiler/utils/x86/assembler_x86_test.cc
@@ -90,7 +90,7 @@
     }
     if (registers_.size() == 0) {
       registers_.insert(end(registers_),
-                        {  // NOLINT(whitespace/braces)
+                        {
                           new x86::Register(x86::EAX),
                           new x86::Register(x86::EBX),
                           new x86::Register(x86::ECX),
@@ -104,7 +104,7 @@
 
     if (fp_registers_.size() == 0) {
       fp_registers_.insert(end(fp_registers_),
-                           {  // NOLINT(whitespace/braces)
+                           {
                              new x86::XmmRegister(x86::XMM0),
                              new x86::XmmRegister(x86::XMM1),
                              new x86::XmmRegister(x86::XMM2),