Fix SpotBugs UPM_UNCALLED_PRIVATE_METHOD warnings and enforce rule in quality report

Removed unused private methods across multiple files to resolve SpotBugs warnings.
Updated .github/scripts/generate-quality-report.py to fail the build if UPM_UNCALLED_PRIVATE_METHOD violations occur.

Author: google-labs-jules[bot]

.github/scripts/generate-quality-report.py

@@ -776,7 +776,8 @@ def main() -> None:
             "EQ_ALWAYS_FALSE",
             "SBSC_USE_STRINGBUFFER_CONCATENATION",
             "SIC_INNER_SHOULD_BE_STATIC",
-            "EQ_DOESNT_OVERRIDE_EQUALS"
+            "EQ_DOESNT_OVERRIDE_EQUALS",
+            "UPM_UNCALLED_PRIVATE_METHOD",
         }
         violations = [
             f for f in spotbugs.findings

CodenameOne/src/com/codename1/ui/geom/GeneralPath.java

@@ -3263,25 +3263,6 @@ public void next() {
             typeIndex++;
         }
 
-        private void transformSegmentInPlace() {
-            if (isDone()) {
-                // awt.4B=Iterator out of bounds
-                throw new IndexOutOfBoundsException("Path done"); //$NON-NLS-1$
-            }
-            if (transform == null) {
-                return;
-            }
-            int type = p.types[typeIndex];
-            int count = GeneralPath.pointShift[type];
-            for (int i = 0; i < count; i += 2) {
-                buf[0] = p.points[pointIndex + i];
-                buf[1] = p.points[pointIndex + i + 1];
-                transform.transformPoint(buf, buf);
-                p.points[pointIndex + i] = buf[0];
-                p.points[pointIndex + i + 1] = buf[1];
-            }
-        }
-
         public int currentSegment(double[] coords) {
             float[] fcoords = createFloatArrayFromPool(6);
             try {

CodenameOne/src/com/codename1/ui/html/HTMLComponent.java

@@ -527,16 +527,6 @@ static int getInt(String intStr, int defaultValue) {
         }
     }
 
-    /**
-     * A convenience method to convert a string to an int.
-     * This is mainly intended to save the try-catch for NumericFormatExceptions
-     *
-     * @param intStr The string describing the integer
-     * @return the integer value of the string, or 0 if the string is not numeric
-     */
-    static int getInt(String intStr) {
-        return getInt(intStr, 0);
-    }
 
     /**
      * Calculates width or height of an element according to its original size, requested size and default size

CodenameOne/src/com/codename1/ui/spinner/SpinnerNode.java

@@ -190,10 +190,6 @@ private double getRotationRangeForSide() {
         return 360.0 / numSides;
     }
 
-    private double getFlatVisibleHeight() {
-        return renderer.getPreferredH() * numSides / 2;
-    }
-
     public int getSelectedIndex() {
         return (int) (flatScrollPos / calcFlatListHeight() * listModel.getSize());
     }