[wpimath] Remove deprecated MatBuilder constructor (#6956)

wpimath/src/main/java/edu/wpi/first/math/MatBuilder.java

@@ -7,13 +7,12 @@
 import java.util.Objects;
 import org.ejml.simple.SimpleMatrix;
 
-/**
- * A class for constructing arbitrary RxC matrices.
- *
- * @param <R> The number of rows of the desired matrix.
- * @param <C> The number of columns of the desired matrix.
- */
-public class MatBuilder<R extends Num, C extends Num> {
+/** A class for constructing arbitrary RxC matrices. */
+public final class MatBuilder {
+  private MatBuilder() {
+    throw new UnsupportedOperationException("This is a utility class!");
+  }
+
   /**
    * Fills the matrix with the given data, encoded in row major form. (The matrix is filled row by
    * row, left to right with the given data).
@@ -25,7 +24,7 @@ public class MatBuilder<R extends Num, C extends Num> {
    * @param <C> The number of columns of the matrix.
    * @return The constructed matrix.
    */
-  public static final <R extends Num, C extends Num> Matrix<R, C> fill(
+  public static <R extends Num, C extends Num> Matrix<R, C> fill(
       Nat<R> rows, Nat<C> cols, double... data) {
     if (Objects.requireNonNull(data).length != rows.getNum() * cols.getNum()) {
       throw new IllegalArgumentException(
@@ -39,34 +38,4 @@ public static final <R extends Num, C extends Num> Matrix<R, C> fill(
     }
     return new Matrix<>(new SimpleMatrix(rows.getNum(), cols.getNum(), true, data));
   }
-
-  /** Number of rows. */
-  protected final Nat<R> m_rows;
-
-  /** Number of columns. */
-  protected final Nat<C> m_cols;
-
-  /**
-   * Creates a new {@link MatBuilder} with the given dimensions.
-   *
-   * @param rows The number of rows of the matrix.
-   * @param cols The number of columns of the matrix.
-   * @deprecated Use {@link MatBuilder#fill} instead.
-   */
-  @Deprecated(since = "2024", forRemoval = true)
-  public MatBuilder(Nat<R> rows, Nat<C> cols) {
-    this.m_rows = Objects.requireNonNull(rows);
-    this.m_cols = Objects.requireNonNull(cols);
-  }
-
-  /**
-   * Fills the matrix with the given data, encoded in row major form. (The matrix is filled row by
-   * row, left to right with the given data).
-   *
-   * @param data The data to fill the matrix with.
-   * @return The constructed matrix.
-   */
-  public final Matrix<R, C> fill(double... data) {
-    return fill(m_rows, m_cols, data);
-  }
 }