ci: fix double-newline issue in spellcheck.dic

Remove only the first line only.
Eliminate the empty line at the end of spellcheck.dic.
Remove the check that enforces a trailing empty line.

Author: drink7036290

.github/workflows/ci.yml

@@ -1095,23 +1095,15 @@ jobs:
           fi
           expected_count="$first_line"
 
-          # Verify the last line is completely empty (no spaces).
-          last_line=$(tail -n 1 "$FILE")
-          if [ -n "$last_line" ]; then
-            echo "Error: The last line of $FILE must be empty (without spaces)."
-            exit 1
-          fi
-
-          # Check that the number of lines between the first and last matches the integer.
-          # xargs (with no arguments) will strip leading/trailing whitespace from wc's output.
-          actual_count=$(sed '1d;$d' "$FILE" | wc -l | xargs)
+          # Check that the number of lines matches the integer.
+          # xargs (with no arguments) will strip leading/trailing whitespacefrom wc's output.
+          actual_count=$(sed '1d' "$FILE" | wc -l | xargs)
           if [ "$expected_count" -ne "$actual_count" ]; then
-            echo "Error: The number of lines between the first and last ($actual_count) does not match $expected_count."
+            echo "Error: The number of lines ($actual_count) does not match $expected_count."
             exit 1
           fi
 
-          # `sed` removes the first line (number of words) and
-          # the last line (new line).
+          # `sed` removes the first line (number of words).
           #
           # `sort` makes sure everything in between is sorted
           # and contains no duplicates.
@@ -1121,10 +1113,10 @@ jobs:
           # environments.
 
           (
-            sed '1d; $d' $FILE | LC_ALL=en_US.UTF8 sort -uc
+            sed '1d' $FILE | LC_ALL=en_US.UTF8 sort -uc
           ) || {
             echo "Dictionary is not in sorted order. Correct order is:"
-            LC_ALL=en_US.UTF8 sort -u <(sed '1d; $d' $FILE)
+            LC_ALL=en_US.UTF8 sort -u <(sed '1d' $FILE)
             false
           }
       - name: Run cargo-spellcheck

spellcheck.dic

@@ -298,4 +298,3 @@ Wakers
 wakeup
 wakeups
 workstealing
-