Remove {for} tags that reference pre ESR 153 material when ESR 140 reaches end of life

[rtanglao]

• End of life for an ESR is usually about 12 weeks after the next ESR is released

Checklist of things to write:

• remove the pre 153 material in Thunderbird for Desktop and Thundermail which was added in Update Thunderbird for Desktop and Thundermail #193 in Revision 327514