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

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

wpilibjExamples/src/main/java/org/wpilib/snippets/analoginput/Robot.java

@@ -16,16 +16,7 @@ public class Robot extends TimedRobot {
   AnalogInput m_analog = new AnalogInput(0);
 
   /** Called once at the beginning of the robot program. */
-  public Robot() {
-    // Sets the AnalogInput to 4-bit oversampling.  16 samples will be added together.
-    // Thus, the reported values will increase by about a factor of 16, and the update
-    // rate will decrease by a similar amount.
-    m_analog.setOversampleBits(4);
-
-    // Sets the AnalogInput to 4-bit averaging.  16 samples will be averaged together.
-    // The update rate will decrease by a factor of 16.
-    m_analog.setAverageBits(4);
-  }
+  public Robot() {}
 
   @Override
   public void teleopPeriodic() {
@@ -37,13 +28,5 @@ public class Robot extends TimedRobot {
     // Gets the instantaneous measured voltage from the analog input.
     // Oversampling and averaging settings are ignored
     m_analog.getVoltage();
-
-    // Gets the averaged value from the analog input.  The value is not
-    // rescaled, but oversampling and averaging are both applied.
-    m_analog.getAverageValue();
-
-    // Gets the averaged voltage from the analog input.  Rescaling,
-    // oversampling, and averaging are all applied.
-    m_analog.getAverageVoltage();
   }
 }

wpilibjExamples/src/main/java/org/wpilib/snippets/analogpotentiometer/Robot.java

@@ -30,10 +30,7 @@ public class Robot extends TimedRobot {
   AnalogPotentiometer m_pot1 = new AnalogPotentiometer(m_input, 180, 30);
 
   /** Called once at the beginning of the robot program. */
-  public Robot() {
-    // Set averaging bits to 2
-    m_input.setAverageBits(2);
-  }
+  public Robot() {}
 
   @Override
   public void teleopPeriodic() {