Change excessive parentheses from default syntax in parameters

Regex: (?<spaces>\s{8}|\s{4})(?<name>\w*) : (?<type>.*) \(optional, default=(?<default>.*)\)$
Subs pattern: $1$2 : $3, default $4
Including: pvlib/**/*.py
Excluding: docs

No more "(optional, " found in .py files

Author: echedey-ls

pvlib/irradiance.py

@@ -1068,7 +1068,7 @@ def perez(surface_tilt, surface_azimuth, dhi, dni, dni_extra,
         inputs. AM must be >=0 (careful using the 1/sec(z) model of AM
         generation)
 
-    model : string (optional, default='allsitescomposite1990')
+    model : string, default 'allsitescomposite1990'
         A string which selects the desired set of Perez coefficients. If
         model is not provided as an input, the default, '1990' will be
         used. All possible model selections are:
@@ -1086,7 +1086,7 @@ def perez(surface_tilt, surface_azimuth, dhi, dni, dni_extra,
         * 'capecanaveral1988'
         * 'albany1988'
 
-    return_components : bool (optional, default=False)
+    return_components : bool, default False
         Flag used to decide whether to return the calculated diffuse components
         or not.
 
@@ -2578,7 +2578,7 @@ def _get_perez_coefficients(perezmodel):
     Parameters
     ----------
 
-    perezmodel : string (optional, default='allsitescomposite1990')
+    perezmodel : string, default 'allsitescomposite1990'
 
           a character string which selects the desired set of Perez
           coefficients. If model is not provided as an input, the default,

pvlib/pvsystem.py

@@ -1525,10 +1525,10 @@ def calcparams_desoto(effective_irradiance, temp_cell,
         the SAM CEC module database, dEgdT=-0.0002677 is implicit for all cell
         types in the parameter estimation algorithm used by NREL.
 
-    irrad_ref : float (optional, default=1000)
+    irrad_ref : float, default 1000
         Reference irradiance in W/m^2.
 
-    temp_ref : float (optional, default=25)
+    temp_ref : float, default 25
         Reference cell temperature in C.
 
     Returns
@@ -1741,10 +1741,10 @@ def calcparams_cec(effective_irradiance, temp_cell,
         the SAM CEC module database, dEgdT=-0.0002677 is implicit for all cell
         types in the parameter estimation algorithm used by NREL.
 
-    irrad_ref : float (optional, default=1000)
+    irrad_ref : float, default 1000
         Reference irradiance in W/m^2.
 
-    temp_ref : float (optional, default=25)
+    temp_ref : float, default 25
         Reference cell temperature in C.
 
     Returns
@@ -1858,10 +1858,10 @@ def calcparams_pvsyst(effective_irradiance, temp_cell,
         The energy bandgap at reference temperature in units of eV.
         1.121 eV for crystalline silicon. EgRef must be >0.
 
-    irrad_ref : float (optional, default=1000)
+    irrad_ref : float, default 1000
         Reference irradiance in W/m^2.
 
-    temp_ref : float (optional, default=25)
+    temp_ref : float, default 25
         Reference cell temperature in C.
 
     Returns