telepathy: Remove redundant entries from a CPPFLAGS variable
telepathy: Remove redundant entries from a CPPFLAGS variable

They’re already in AM_CPPFLAGS, which is substituted into that CPPFLAGS
variable.

GNOME/folks,renatofilho/folks,renatofilho/folks,renatofilho/folks,GNOME/folks,renatofilho/folks2,renatofilho/folks,renatofilho/folks2,pwithnall/folks,pwithnall/folks,GNOME/folks,pwithnall/folks,renatofilho/folks2,renatofilho/folks2