[hal,wpilib] Remove a ton of things related to the FPGA (#7846)

Co-authored-by: Gold856 <117957790+Gold856@users.noreply.github.com>

wpilibc/src/main/native/include/wpi/hardware/discrete/AnalogInput.hpp

@@ -51,52 +51,15 @@ class AnalogInput : public wpi::util::Sendable,
    */
   int GetValue() const;
 
-  /**
-   * Get a sample from the output of the oversample and average engine for this
-   * channel.
-   *
-   * The sample is 12-bit + the bits configured in SetOversampleBits().
-   * The value configured in SetAverageBits() will cause this value to be
-   * averaged 2**bits number of samples.
-   *
-   * This is not a sliding window. The sample will not change until
-   * 2**(OversampleBits + AverageBits) samples have been acquired from the
-   * module on this channel.
-   *
-   * Use GetAverageVoltage() to get the analog value in calibrated units.
-   *
-   * @return A sample from the oversample and average engine for this channel.
-   */
-  int GetAverageValue() const;
-
   /**
    * Get a scaled sample straight from this channel.
    *
-   * The value is scaled to units of Volts using the calibrated scaling data
-   * from GetLSBWeight() and GetOffset().
+   * The value is scaled to units of Volts.
    *
    * @return A scaled sample straight from this channel.
    */
   double GetVoltage() const;
 
-  /**
-   * Get a scaled sample from the output of the oversample and average engine
-   * for this channel.
-   *
-   * The value is scaled to units of Volts using the calibrated scaling data
-   * from GetLSBWeight() and GetOffset().
-   *
-   * Using oversampling will cause this value to be higher resolution, but it
-   * will update more slowly.
-   *
-   * Using averaging will cause this value to be more stable, but it will update
-   * more slowly.
-   *
-   * @return A scaled sample from the output of the oversample and average
-   * engine for this channel.
-   */
-  double GetAverageVoltage() const;
-
   /**
    * Get the channel number.
    *
@@ -104,88 +67,6 @@ class AnalogInput : public wpi::util::Sendable,
    */
   int GetChannel() const;
 
-  /**
-   * Set the number of averaging bits.
-   *
-   * This sets the number of averaging bits. The actual number of averaged
-   * samples is 2^bits.
-   *
-   * Use averaging to improve the stability of your measurement at the expense
-   * of sampling rate. The averaging is done automatically in the FPGA.
-   *
-   * @param bits Number of bits of averaging.
-   */
-  void SetAverageBits(int bits);
-
-  /**
-   * Get the number of averaging bits previously configured.
-   *
-   * This gets the number of averaging bits from the FPGA. The actual number of
-   * averaged samples is 2^bits. The averaging is done automatically in the
-   * FPGA.
-   *
-   * @return Number of bits of averaging previously configured.
-   */
-  int GetAverageBits() const;
-
-  /**
-   * Set the number of oversample bits.
-   *
-   * This sets the number of oversample bits. The actual number of oversampled
-   * values is 2^bits. Use oversampling to improve the resolution of your
-   * measurements at the expense of sampling rate. The oversampling is done
-   * automatically in the FPGA.
-   *
-   * @param bits Number of bits of oversampling.
-   */
-  void SetOversampleBits(int bits);
-
-  /**
-   * Get the number of oversample bits previously configured.
-   *
-   * This gets the number of oversample bits from the FPGA. The actual number of
-   * oversampled values is 2^bits. The oversampling is done automatically in the
-   * FPGA.
-   *
-   * @return Number of bits of oversampling previously configured.
-   */
-  int GetOversampleBits() const;
-
-  /**
-   * Get the factory scaling least significant bit weight constant.
-   *
-   * Volts = ((LSB_Weight * 1e-9) * raw) - (Offset * 1e-9)
-   *
-   * @return Least significant bit weight.
-   */
-  int GetLSBWeight() const;
-
-  /**
-   * Get the factory scaling offset constant.
-   *
-   * Volts = ((LSB_Weight * 1e-9) * raw) - (Offset * 1e-9)
-   *
-   * @return Offset constant.
-   */
-  int GetOffset() const;
-
-  /**
-   * Set the sample rate per channel for all analog channels.
-   *
-   * The maximum rate is 500kS/s divided by the number of channels in use.
-   * This is 62500 samples/s per channel.
-   *
-   * @param samplesPerSecond The number of samples per second.
-   */
-  static void SetSampleRate(double samplesPerSecond);
-
-  /**
-   * Get the current sample rate for all channels
-   *
-   * @return Sample rate.
-   */
-  static double GetSampleRate();
-
   /**
    * Indicates this input is used by a simulated device.
    *