[basic.start.static] Remove spurious paragraph break, found by review committee.

Author: zygoloid

source/basic.tex

@@ -2541,7 +2541,6 @@
 \defnx{Constant initialization}{constant initialization} is performed
 if a variable or temporary object with static or thread storage duration
 is initialized by a constant initializer for the entity.
-
 \indextext{initialization!runtime}%
 If constant initialization is not performed, a variable with static
 storage duration~(\ref{basic.stc.static}) or thread storage