Fixing typos and removing uneeded signal

Author: sweeksBigBlue

lib/src/arithmetic/floating_point/floating_point_sqrt.dart

@@ -23,19 +23,19 @@ abstract class FloatingPointSqrt<FpType extends FloatingPoint> extends Module {
 
   /// The [clk] : if a non-null clock signal is passed in, a pipestage is added
   /// to the square root to help optimize frequency.
-  /// Plummed for future work for pipelining, currently unsupported.
+  /// Plumbed for future work for pipelining, currently unsupported.
   @protected
   late final Logic? clk;
 
   /// Optional [reset], used only if a [clk] is not null to reset the pipeline
   /// flops.
-  /// Plummed for future work for pipelining, currently unsupported.
+  /// Plumbed for future work for pipelining, currently unsupported.
   @protected
   late final Logic? reset;
 
   /// Optional [enable], used only if a [clk] is not null to enable the pipeline
   /// flops.
-  /// Plummed for future work for pipelining, currently unsupported.
+  /// Plumbed for future work for pipelining, currently unsupported.
   @protected
   late final Logic? enable;
 
@@ -50,9 +50,6 @@ abstract class FloatingPointSqrt<FpType extends FloatingPoint> extends Module {
   /// getter for the [error] output.
   late final Logic error = Logic(name: 'error')..gets(output('error'));
 
-  /// The internal error signal to pass through
-  late final Logic errorSig;
-
   /// Square root a floating point number [a], returning result in [sqrt].
   /// - [clk], [reset], [enable] are optional inputs to control a pipestage
   /// (only inserted if [clk] is provided)