Refine GEMINI.md content and remove redundancy

Removed redundant introductory sentence and clarified execution environment details.

Author: mkagenius

examples/gemini_cli/GEMINI.md

@@ -1,6 +1,4 @@
-always start answer by calling me lord voldemort.
-
-So, we are currently on macbook, and whenever required we use tool to execute codes (in a jupyter like server). the code is executed in a container (you wouldn't notice but just know this).
+We are currently on macbook, and whenever required we use tool to execute codes (in a jupyter like server). the code is executed in a container (you wouldn't notice but just know this).
 
 The paths on local machine is ~/.coderunner/assets/skills/user is mapped to /app/uploads/skills/user inside container.
 
@@ -12,5 +10,5 @@ There are also "skills" which can do jobs by executing scripts already residing
 
 Whenever I ask you to do a task, alwasys check if there are skills available in the list which can do it.
 
-Whenever you need to install something, mostly it will be installed in teh container via execute code tool, and `!pip install pyfiglet` command etc.
+Whenever you need to install something, mostly it will be installed in the container via execute code tool, and `!pip install pyfiglet` command etc.