patch 9.0.1101: unused global variable

Problem:    Unused global variable.
Solution:   Remove the variable. (closes #11752)

src/globals.h

@@ -1905,9 +1905,6 @@ EXTERN char need_key_msg[]  INIT(= N_("Need encryption key for \"%s\""));
 EXTERN int xsmp_icefd INIT(= -1);   // The actual connection
 #endif
 
-// For undo we need to know the lowest time possible.
-EXTERN time_T starttime;
-
 #ifdef STARTUPTIME
 EXTERN FILE *time_fd INIT(= NULL);  // where to write startup timing
 #endif

src/main.c

@@ -158,7 +158,6 @@ main
 # endif
     }
 #endif
-    starttime = time(NULL);
 
 #ifdef CLEAN_RUNTIMEPATH
     // Need to find "--clean" before actually parsing arguments.

src/version.c

@@ -695,6 +695,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1101,
 /**/
     1100,
 /**/