Revert "Add flag to enable jerk prediction pruning."

This reverts commit fe8bbb039dbe458b485c055bbfc6b862681809f3.

Reason for revert: Performance regression: b/330854747

BUG: 330854747
Change-Id: I323b13594fd271af5f73579218fe4797ea0d6b92

2 files changed, 1 insertions, 19 deletions

diff --git a/libs/input/MotionPredictor.cpp b/libs/input/MotionPredictor.cpp
index e836a4c92f..c4e3ff6dee 100644
--- a/libs/input/MotionPredictor.cpp
+++ b/libs/input/MotionPredictor.cpp
@@ -22,21 +22,17 @@
 #include <cmath>
 #include <cstddef>
 #include <cstdint>
-#include <limits>
 #include <string>
 #include <vector>
 
 #include <android-base/logging.h>
 #include <android-base/strings.h>
 #include <android/input.h>
-#include <com_android_input_flags.h>
 
 #include <attestation/HmacKeyManager.h>
 #include <ftl/enum.h>
 #include <input/TfLiteMotionPredictor.h>
 
-namespace input_flags = com::android::input::flags;
-
 namespace android {
 namespace {
 
@@ -201,14 +197,7 @@ std::unique_ptr<MotionEvent> MotionPredictor::predict(nsecs_t timestamp) {
             // device starts to speed up, but avoids producing noisy predictions as it slows down.
             break;
         }
-        if (input_flags::enable_jerk_prediction_pruning()) {
-            // TODO(b/266747654): Stop predictions if confidence is < some threshold
-            // Arbitrarily high pruning index, will correct once jerk thresholding is implemented.
-            const size_t upperBoundPredictionIndex = std::numeric_limits<size_t>::max();
-            if (i > upperBoundPredictionIndex) {
-                break;
-            }
-        }
+        // TODO(b/266747654): Stop predictions if confidence is < some threshold.
 
         const TfLiteMotionPredictorSample::Point predictedPoint =
                 convertPrediction(axisFrom, axisTo, predictedR[i], predictedPhi[i]);
diff --git a/libs/input/input_flags.aconfig b/libs/input/input_flags.aconfig
index c1f5e2a53b..b48b0fb924 100644
--- a/libs/input/input_flags.aconfig
+++ b/libs/input/input_flags.aconfig
@@ -128,10 +128,3 @@ flag {
   description: "Enable fling scrolling to be stopped by putting a finger on the touchpad again"
   bug: "281106755"
 }
-
-flag {
-  name: "enable_jerk_prediction_pruning"
-  namespace: "input"
-  description: "Enable prediction pruning based on jerk thresholds."
-  bug: "266747654"
-}