Remove wait and check loop from mk_test_file (#2175)

This appears to be some kind of eventual consistency check.  This
should have no effect given S3Proxy and recent AWS strong consistency.
Also it is likely ineffective given the other test object creation
operations.

test/test-utils.sh

@@ -137,22 +137,6 @@ function mk_test_file {
         echo "Could not create file ${TEST_TEXT_FILE}, it does not exist"
         exit 1
     fi
-
-    # wait & check
-    local BASE_TEXT_LENGTH; BASE_TEXT_LENGTH=$(echo "${TEXT}" | wc -c | awk '{print $1}')
-    local TRY_COUNT=10
-    while true; do
-        local MK_TEXT_LENGTH
-        MK_TEXT_LENGTH=$(wc -c "${TEST_TEXT_FILE}" | awk '{print $1}')
-        if [ "${BASE_TEXT_LENGTH}" -eq "${MK_TEXT_LENGTH}" ]; then
-            break
-        fi
-        local TRY_COUNT=$((TRY_COUNT - 1))
-        if [ "${TRY_COUNT}" -le 0 ]; then
-            echo "Could not create file ${TEST_TEXT_FILE}, that file size is something wrong"
-        fi
-        sleep 1
-    done
 }
 
 function rm_test_file {