Cleanup old boolean constexprs.

We used these as flags before we had flags, and these have been true for
about a year now.

Bug: 329464641
Test: builds
Change-Id: I8de3a05ec245788a5aa0b99d28aa36a678d12cbc
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 33dbab0..9edf904 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -8334,10 +8334,7 @@
                                       renderArea->getHintForSeamlessTransition());
             sdrWhitePointNits = state.sdrWhitePointNits;
 
-             // TODO(b/298219334): Clean this up once we verify this doesn't break anything
-             static constexpr bool kScreenshotsDontDim = true;
-
-            if (kScreenshotsDontDim && !captureResults.capturedHdrLayers) {
+            if (!captureResults.capturedHdrLayers) {
                 displayBrightnessNits = sdrWhitePointNits;
             } else {
                 displayBrightnessNits = state.displayBrightnessNits;