docs: Standardize headings by removing emojis for clarity across documentation

Author: Le-Caignec

src/get-started/develop-with-ai.md

@@ -5,7 +5,7 @@ description:
   privacy-first applications with iExec
 ---
 
-# 🤖 Develop with AI
+# Develop with AI
 
 AI tools accelerate building privacy-first applications with iExec using
 AI-powered development tools. This guide covers how to effectively use AI

src/get-started/overview/rlc.md

@@ -39,7 +39,7 @@ All stakeholders earn RLC when people use their contributions.
 More developers using iExec's privacy tools means more RLC utility in real
 dApps. iExec builds actionable privacy, not just protocols.
 
-## 💰 Transparent Payment Flow
+## Transparent Payment Flow
 
 When you pay for a task execution with RLC, your payment is automatically and
 transparently distributed to all iExec protocol participants:
@@ -93,7 +93,7 @@ ecosystem requires RLC:
 - Confidential computations need RLC for execution
 - Staking mechanisms lock RLC, reducing circulating supply
 
-## 🔄 Getting RLC
+## Getting RLC
 
 You can acquire RLC tokens through several methods:
 

src/get-started/tooling-and-explorers/bridge.md

@@ -77,7 +77,7 @@ RLC tokens between Ethereum and Arbitrum mainnet in both directions.
   link-url="https://stargate.finance/bridge"
 />
 
-## 🔄 Bellecour Bridge
+## Bellecour Bridge
 
 The **Bellecour Bridge** enables seamless transfer of RLC tokens between
 Ethereum mainnet and the Bellecour sidechain in both directions. When bridged to

src/get-started/tooling-and-explorers/faucet.md

@@ -5,7 +5,7 @@ description:
   workerpools, and protected datasets without spending real tokens.
 ---
 
-# 🚰 RLC Faucet
+# RLC Faucet
 
 Get free RLC tokens on **Arbitrum Sepolia testnet** to test your iApps, pay for
 workerpool executions, and access protected datasets without spending real
@@ -34,7 +34,7 @@ To be eligible for RLC claims, builders must meet these criteria:
   distribution)
 - **One claim per 24 hours** per authenticated account
 
-## 💰 Claim Details
+## Claim Details
 
 <UseCaseCard
   title="🚰 iExec RLC Faucet"

src/guides/build-iapp/advanced/result-callback.md

@@ -154,7 +154,7 @@ const taskId = await iexec.order.matchOrders({
 });
 ```
 
-## 🔄 Other use cases
+## Other use cases
 
 | Use Case             | Description                              |
 | -------------------- | ---------------------------------------- |

src/guides/build-iapp/debugging.md

@@ -4,7 +4,7 @@ description:
   Troubleshoot and optimize your iApp execution in the TEE environment
 ---
 
-# 🐛 Debugging
+# Debugging
 
 **When your iApp doesn't work as expected, debugging in the TEE environment
 requires specific techniques.** This guide helps you identify issues and
@@ -99,7 +99,7 @@ iexec task show <taskId> --download
 - **Cause**: Loading large files, memory leaks, TEE constraints
 - **Solution**: Process data in chunks, use streaming, optimize memory usage
 
-### 📁 **Input/Output Problems**
+### **Input/Output Problems**
 
 - **Cause**: Wrong file paths, missing `computed.json`
 - **Solution**: Always create `computed.json`, verify environment variables

src/guides/build-iapp/inputs.md

@@ -5,7 +5,7 @@ description:
   environment
 ---
 
-# 📥 Inputs
+# Inputs
 
 **Your iApp runs inside a secure TEE environment with access to different types
 of inputs.** Understanding what data you can access, how to access it, and when

src/guides/build-iapp/outputs.md

@@ -5,7 +5,7 @@ description:
   environment
 ---
 
-# 📤 Outputs
+# Outputs
 
 **Your iApp must generate outputs that users can retrieve and decrypt.**
 Understanding how to structure your outputs, create the required metadata, and

src/guides/use-iapp/how-to-pay-executions.md

@@ -4,7 +4,7 @@ description:
   Learn about payment methods, pricing, and cost management for iApp executions
 ---
 
-# 💰 How to Pay for iApp Executions
+# How to Pay for iApp Executions
 
 Understanding how to pay for iApp executions is crucial for using the iExec
 network effectively. This guide covers all payment methods, pricing structures,

src/guides/use-iapp/run-iapp-with-ProtectedData.md

@@ -5,7 +5,7 @@ description:
   files using the DataProtector toolkit for secure data processing
 ---
 
-# 📥 Run iApp with a ProtectedData
+# Run iApp with a ProtectedData
 
 When running an iApp, you can use multiple types of inputs. While ProtectedData
 is not mandatory to run an iApp, it's a powerful input type that allows you to