Remove patchlevel from rvmrc version spec.

.rvmrc

@@ -3,7 +3,7 @@
 # This is an RVM Project .rvmrc file, used to automatically load the ruby
 # development environment upon cd'ing into the directory
 
-environment_id="ruby-1.9.3-p0@configurability"
+environment_id="ruby-1.9.3@configurability"
 
 if [[ -d "${rvm_path:-$HOME/.rvm}/environments" \
 	&& -s "${rvm_path:-$HOME/.rvm}/environments/$environment_id" ]]; then