Which one-bar moves do you really want?
For clearing gyms or to avoid wasting energy battling legendaries, it really seems 2 or even 3-bar moves are better now...
My thoughts on Keepers, any others?
1) solar beam on Eggy
2) SE on Ttar
3) OH on Flareon/Moltres (FT equally good?)
To go even further, would you C-TM either of these (assuming a healthy reserve of TM's):
1. CC on Machamp
2. SE on Golem
1 is really more theoretical, since still collecting Machamp at raids, but so far 8/10 with CC, and one of the DP was after TM... Geodudes are rare for me, so I'm lucky to have 2 of each with SE and RB at level 30, thanks to my Geo buddy! It seems like RB would be doing more total damage the SE on my Golems though.
Answers
Alongside the above I will add SE on Golem (since OP listed it alongside CC which in my book is clearly inferior to DP)
In almost any simulation SE is still better on Golem (I think I noticed on pokebattler 1 or 2 times RB listed right in front of SE, but not at 39 Golems; probably at level 30 vs. one of the raid bosses).
Keep in mind that both SE and HP do their damage as soon as you release it and that can be very important on edge case scenarios.