Trick -01 How to Remove "Powered by Blogger" –> Attribution Widget
drop-down “jump to widget” option and select Attribution 1 as shown below
or search ctrl+f and found "Attribution 1"
and find this line----
<b:widget id='Attribution1' locked='true' title='' type='Attribution' visible='true'>
change to ..... Replace the locked=’true’ with locked=’false’
<b:widget id='Attribution1' locked='false' title='' type='Attribution' visible='true'>
Once done click on ‘Save template’.
and last go to your blogger and edit and remove
Trick -02 Hide Attribution widget by adding CSS code.
Search this code in your blogger template by (ctrl+f) -> body {
Add this line of code above the body { code
#Attribution1 {display: none;}
Once done click on again ‘Save template’.

or search ctrl+f and found "Attribution 1"
and find this line----
<b:widget id='Attribution1' locked='true' title='' type='Attribution' visible='true'>
change to ..... Replace the locked=’true’ with locked=’false’
<b:widget id='Attribution1' locked='false' title='' type='Attribution' visible='true'>
Once done click on ‘Save template’.
and last go to your blogger and edit and remove
Trick -02 Hide Attribution widget by adding CSS code.
Search this code in your blogger template by (ctrl+f) -> body {
Add this line of code above the body { code
#Attribution1 {display: none;}
Once done click on again ‘Save template’.