remove interpoling text

git-svn-id: https://svn.r-project.org/R/trunk@87849 00db46b3-68df-0310-9c12-caf00c1e9a41

Author: ripley

doc/manual/R-exts.texi

@@ -13183,7 +13183,6 @@ gives an error for an input of length other than one, and for
 coercion failure. @code{Rf_asBool} is a variant returning the
 C99/C23/C++ type @code{bool}.
 
-but gives an weeo
 @apifun Rf_asInteger
 @apifun Rf_asLogical
 @apifun Rf_asReal