[eguile-utilities.scm] remove fmtnumber

deprecated in maint.

gnucash/report/eguile-utilities.scm

@@ -33,11 +33,6 @@
 (use-modules (gnucash core-utils))
 (use-modules (gnucash report))
 
-(define-public (fmtnumber n)
-  (issue-deprecation-warning "fmtnumber is deprecated")
-  ;; Format a number (integer or real) into something printable
-  (number->string (if (integer? n) (inexact->exact n) n)))
-
 ;; Format gnc-numeric n with decimal places, or exact fraction
 (define-public fmtnumeric
   (lambda (n) (xaccPrintAmount n (gnc-default-print-info #f))))