* etc/NEWS: Omit bug# when not needed.

etc/NEWS

@@ -685,7 +685,7 @@ as new-style, bind the new variable 'force-new-style-backquotes' to t.
 
 ** When formatting a floating-point number as an octal or hexadecimal
 integer, Emacs now signals an error if the number is too large for the
-implementation to format (Bug#30408).
+implementation to format.
 
 +++
 ** The Lisp reader now signals an overflow for plain decimal integers
@@ -694,7 +694,7 @@ reader silently converted them to floating-point numbers, and signaled
 overflow only for integers with a radix that are outside machine range.
 To get the old behavior, set the new, experimental variable
 read-integer-overflow-as-float to t and please email
-30408@debbugs.gnu.org if you need that.  (Bug#30408).
+30408@debbugs.gnu.org if you need that.
 
 ---
 ** Some functions and variables obsolete since Emacs 22 have been removed:
@@ -828,12 +828,12 @@ The new variable 'comment-use-syntax-ppss' can be set to nil to recover the old
 behavior if needed.
 
 ** The 'server-name' and 'server-socket-dir' variables are set when a
-socket has been passed to Emacs (Bug#24218).
+socket has been passed to Emacs.
 
 ---
 ** The 'file-system-info' function is now available on all platforms.
 instead of just Microsoft platforms.  This fixes a 'get-free-disk-space'
-bug on OS X 10.8 and later (Bug#28639).
+bug on OS X 10.8 and later.
 
 +++
 ** 'memory-limit' now returns a better estimate of memory consumption.
@@ -862,7 +862,7 @@ If the optional third argument is non-nil, 'make-string' will produce
 a multibyte string even if its second argument is an ASCII character.
 
 ** (format "%d" X) no longer mishandles a floating-point number X that
-does not fit in a machine integer (Bug#30408).
+does not fit in a machine integer.
 
 ** New JSON parsing and serialization functions 'json-serialize',
 'json-insert', 'json-parse-string', and 'json-parse-buffer'.  These