Update build.gradle.kts

[richardcmckinney]

Code Readability:

• Removed redundant comments and consolidated similar blocks of code.
• Grouped related configurations and dependencies together.

Error Handling:

• Added takeIf and isNotBlank checks in gitLastCommitHash to handle potential edge cases gracefully.

Consistent Formatting:

• Ensured consistent use of create for defining product flavors.
• Used clearer variable names and structure in readPspdfkitKey for better readability.

Functional Enhancements:

• Simplified the conditionals within beforeVariants in androidComponents.