Update README.md

remove conda install from readme

Author: bkemper24

README.md

@@ -62,12 +62,10 @@ you can install it using `pip`.
 
 # Installation
 
-SWAT can be installed using `pip` or `conda` (if you are using Anaconda)::
+SWAT can be installed using `pip`:
 
     pip install swat
 
-    conda install -c sas-institute swat
-    
 You can also install from the files on the 
 [SWAT project releases page](https://github.com/sassoftware/python-swat/releases).
 Simply locate the file for your platform and install it using `pip` as