main.md: move some main page documentation from gstlal to gstlal_inspiral

gstlal/doc/pages/main.md

-\mainpage GSTLAL Welcome page
+\mainpage gstlal Welcome page
 
 ### Getting started
 
@@ -24,14 +24,3 @@
   - gstlal_spectrum_movie
   - gstlal_play
 
-### Searches for Compact Binary Coalescence
-
-- Low-latency, online searches
-- Offline searches
-
-### References
-
-- SVD for CBC: http://arxiv.org/abs/1005.0012
-- SVD composite detection statistic: http://arxiv.org/abs/1101.0584
-- Full filtering paradigm: http://arxiv.org/abs/1107.2665
-- Estimating CBC significance: http://arxiv.org/abs/1209.0718