removed unused functions

Author: gaaclarke

lib/ui/lerp.dart

@@ -37,15 +37,3 @@ double _lerpDouble(double a, double b, double t) {
 double _lerpInt(int a, int b, double t) {
   return a + (b - a) * t;
 }
-
-/// Same as [num.clamp] but specialized for non-null [int].
-int _clampInt(int value, int min, int max) {
-  assert(min <= max);
-  if (value < min) {
-    return min;
-  } else if (value > max) {
-    return max;
-  } else {
-    return value;
-  }
-}

lib/web_ui/lib/lerp.dart

@@ -28,10 +28,3 @@ double? lerpDouble(num? a, num? b, double t) {
 double _lerpDouble(double a, double b, double t) {
   return a * (1.0 - t) + b * t;
 }
-
-/// Linearly interpolate between two integers.
-///
-/// Same as [lerpDouble] but specialized for non-null `int` type.
-double _lerpInt(int a, int b, double t) {
-  return a * (1.0 - t) + b * t;
-}