removed fcsize from docstring

Author: cluffa

src/convnets/mobilenet.jl

@@ -21,7 +21,6 @@ Create a MobileNetv1 model ([reference](https://arxiv.org/abs/1704.04861v1)).
       + `r`: The number of time this configuration block is repeated
   - `activate`: The activation function to use throughout the network
   - `inchannels`: The number of input channels. The default value is 3.
-  - `fcsize`: The intermediate fully-connected size between the convolution and final layers
   - `nclasses`: The number of output classes
 """
 function mobilenetv1(width_mult, config;