docs/library: Remove unnecessary "pyb." prefix on class names.

Otherwise these classes are refered to with a double prefix, like
pyb.pyb.ADC.

Signed-off-by: Damien George <damien@micropython.org>

docs/library/pyb.ADC.rst

@@ -23,7 +23,7 @@ Usage::
 Constructors
 ------------
 
-.. class:: pyb.ADC(pin)
+.. class:: ADC(pin)
 
    Create an ADC object associated with the given pin.
    This allows you to then read analog values on that pin.

docs/library/pyb.Accel.rst

@@ -16,7 +16,7 @@ Raw values are between -32 and 31.
 Constructors
 ------------
 
-.. class:: pyb.Accel()
+.. class:: Accel()
 
    Create and return an accelerometer object.
 

docs/library/pyb.CAN.rst

@@ -31,7 +31,7 @@ for both classic and FD CAN controllers, unless otherwise stated.
 Constructors
 ------------
 
-.. class:: pyb.CAN(bus, ...)
+.. class:: CAN(bus, ...)
 
    Construct a CAN object on the given bus.  *bus* can be 1-2, or ``'YA'`` or ``'YB'``.
    With no additional parameters, the CAN object is created but not

docs/library/pyb.DAC.rst

@@ -49,7 +49,7 @@ To output a continuous sine-wave at 12-bit resolution::
 Constructors
 ------------
 
-.. class:: pyb.DAC(port, bits=8, *, buffering=None)
+.. class:: DAC(port, bits=8, *, buffering=None)
 
    Construct a new DAC object.
 

docs/library/pyb.ExtInt.rst

@@ -51,7 +51,7 @@ usrsw.h for an example of using this.
 Constructors
 ------------
 
-.. class:: pyb.ExtInt(pin, mode, pull, callback)
+.. class:: ExtInt(pin, mode, pull, callback)
 
    Create an ExtInt object:
 

docs/library/pyb.Flash.rst

@@ -15,7 +15,7 @@ application.
 Constructors
 ------------
 
-.. class:: pyb.Flash()
+.. class:: Flash()
 
    Create and return a block device that represents the flash device presented
    to the USB mass storage interface.
@@ -25,7 +25,7 @@ Constructors
 
    This constructor is deprecated and will be removed in a future version of MicroPython.
 
-.. class:: pyb.Flash(*, start=-1, len=-1)
+.. class:: Flash(*, start=-1, len=-1)
    :noindex:
 
    Create and return a block device that accesses the flash at the specified offset. The length defaults to the remaining size of the device.

docs/library/pyb.I2C.rst

@@ -56,7 +56,7 @@ Master also has other methods::
 Constructors
 ------------
 
-.. class:: pyb.I2C(bus, ...)
+.. class:: I2C(bus, ...)
 
    Construct an I2C object on the given bus.  ``bus`` can be 1 or 2, 'X' or
    'Y'. With no additional parameters, the I2C object is created but not

docs/library/pyb.LCD.rst

@@ -41,7 +41,7 @@ For example, to make a bouncing dot, try::
 Constructors
 ------------
 
-.. class:: pyb.LCD(skin_position)
+.. class:: LCD(skin_position)
 
    Construct an LCD object in the given skin position.  ``skin_position`` can be 'X' or 'Y', and
    should match the position where the LCD pyskin is plugged in.

docs/library/pyb.LED.rst

@@ -10,7 +10,7 @@ The LED object controls an individual LED (Light Emitting Diode).
 Constructors
 ------------
 
-.. class:: pyb.LED(id)
+.. class:: LED(id)
 
    Create an LED object associated with the given LED:
 

docs/library/pyb.Pin.rst

@@ -74,7 +74,7 @@ gpio pins.
 Constructors
 ------------
 
-.. class:: pyb.Pin(id, ...)
+.. class:: Pin(id, ...)
 
    Create a new Pin object associated with the id.  If additional arguments are given,
    they are used to initialise the pin.  See :meth:`pin.init`.

docs/library/pyb.RTC.rst

@@ -17,7 +17,7 @@ Example usage::
 Constructors
 ------------
 
-.. class:: pyb.RTC()
+.. class:: RTC()
 
    Create an RTC object.
 

docs/library/pyb.SPI.rst

@@ -28,7 +28,7 @@ Additional methods for SPI::
 Constructors
 ------------
 
-.. class:: pyb.SPI(bus, ...)
+.. class:: SPI(bus, ...)
 
    Construct an SPI object on the given bus.  ``bus`` can be 1 or 2, or
    'X' or 'Y'. With no additional parameters, the SPI object is created but

docs/library/pyb.Servo.rst

@@ -30,7 +30,7 @@ Example usage::
 Constructors
 ------------
 
-.. class:: pyb.Servo(id)
+.. class:: Servo(id)
 
    Create a servo object.  ``id`` is 1-4, and corresponds to pins X1 through X4.
 

docs/library/pyb.Switch.rst

@@ -23,7 +23,7 @@ Example::
 Constructors
 ------------
 
-.. class:: pyb.Switch()
+.. class:: Switch()
 
    Create and return a switch object.
 

docs/library/pyb.Timer.rst

@@ -53,7 +53,7 @@ limitation.
 Constructors
 ------------
 
-.. class:: pyb.Timer(id, ...)
+.. class:: Timer(id, ...)
 
    Construct a new timer object of the given id.  If additional
    arguments are given, then the timer is initialised by ``init(...)``.

docs/library/pyb.UART.rst

@@ -46,7 +46,7 @@ Earlier versions use ``uart.send`` and ``uart.recv``.
 Constructors
 ------------
 
-.. class:: pyb.UART(bus, ...)
+.. class:: UART(bus, ...)
 
    Construct a UART object on the given bus.
    For Pyboard ``bus`` can be 1-4, 6, 'XA', 'XB', 'YA', or 'YB'.

docs/library/pyb.USB_HID.rst

@@ -13,7 +13,7 @@ Before you can use this class, you need to use :meth:`pyb.usb_mode()` to set the
 Constructors
 ------------
 
-.. class:: pyb.USB_HID()
+.. class:: USB_HID()
 
    Create a new USB_HID object.
 

docs/library/pyb.USB_VCP.rst

@@ -12,7 +12,7 @@ the connected host.
 Constructors
 ------------
 
-.. class:: pyb.USB_VCP(id=0)
+.. class:: USB_VCP(id=0)
 
    Create a new USB_VCP object.  The *id* argument specifies which USB VCP port to
    use.