Fixup: Drop angle brackets from \libheader

ChangeLog:

	* source/numerics.tex:

Author: mattkretz

source/numerics.tex

@@ -17614,7 +17614,7 @@
 where the $i^\text{th}$ element is initialized to the result of
 \tcode{\placeholder{cmplx-func}(operator[]($i$))} for all $i$ in the range
 \range{0}{size()}, where \placeholder{cmplx-func} is the corresponding function
-from \libheader{<complex>}.
+from \libheader{complex}.
 \end{itemdescr}
 
 \begin{itemdecl}
@@ -18821,7 +18821,7 @@
 A \tcode{basic_simd} object \tcode{ret} where the $i^\text{th}$ element is
 initialized to the result of \tcode{\placeholder{cmplx-func}(v[$i$])} for all
 $i$ in the range \range{0}{V::size()}, where \placeholder{cmplx-func} is the
-corresponding function from \libheader{<complex>}. If in an invocation of
+corresponding function from \libheader{complex}. If in an invocation of
 \placeholder{cmplx-func} for index $i$ a domain, pole, or range error would
 occur, the value of \tcode{ret[$i$]} is unspecified.
 
@@ -18843,7 +18843,7 @@
 A \tcode{basic_simd} object \tcode{ret} where the $i^\text{th}$ element is
 initialized to the result of \tcode{\placeholder{cmplx-func}(x[$i$], y[$i$])}
 for all $i$ in the range \range{0}{V::size()}, where \placeholder{cmplx-func}
-is the corresponding function from \libheader{<complex>}. If in an invocation of
+is the corresponding function from \libheader{complex}. If in an invocation of
 \placeholder{cmplx-func} for index $i$ a domain, pole, or range error would
 occur, the value of \tcode{ret[$i$]} is unspecified.