update profiler docs again (#30503)

update SD docs again
old-commit-hash: 7a4a8c9a4a

selfdrive/debug/profiling/snapdragon/README.md

@@ -3,11 +3,11 @@ snapdragon profiler
 
 
 * download from https://developer.qualcomm.com/software/snapdragon-profiler/tools-archive (need a qc developer account)
-  * choose v2021.5 (verified working with 20.04)
+  * choose v2021.5 (verified working with 20.04 dev environment)
 * unzip to selfdrive/debug/profiling/snapdragon/SnapdragonProfiler
 * run ```./setup-profiler.sh```
 * run ```./setup-agnos.sh```
 * run ```selfdrive/debug/adb.sh``` on device
-* run the ```adb connect xxx``` command that was given to you on local pc (if you changed adb path in previous step, run that version of adb)
+* run the ```adb connect xxx``` command that was given to you on local pc
 * cd to SnapdragonProfiler and run ```./run_sdp.sh```
-* connect to device -> choose device you just setup
+* connect to device -> choose device you just setup